A pie chart cannot be used. The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. These data can be represented on a wide variety of graphs and charts, such as bar graphs, histograms, scatter plots, boxplots, pie charts, line graphs, etc.
Solved State whether the data described below are discrete - Chegg The data are continuous because the data can only take on specific values. For example, suppose you have to do a phone survey. That is, a member of the population may be chosen only once. Just as there is variation in data, there is variation in samples. Why or why not? A statistics professor collects information about the classification of her students as freshmen, sophomores, juniors, or seniors. For example, in the case of statistics, algebra is a good option to learn before starting your statistics course. The three cans of soup, two packages of nuts, four kinds of vegetables and two desserts are quantitative discrete data because you count them. An administrative assistant is asked to stand in front of the library one Wednesday and to ask the first 100 undergraduate students he encounters what they paid for tuition the Fall semester. But graphs can be even more helpful in understanding the data. The points are associated with an unbroken line.
Solved state whether the data is continous or discrete The | Chegg.com Discrete data: When numerical data has values that are countable and specific to a particular category, it is called discrete data. To determine the average cost of a two-day stay in a hospital in Massachusetts, survey 100 hospitals across the state using simple random sampling. The data are discrete because the data can . and it is subdivided into nominal and ordinal data. The triangles show the position of the gate in relation to its closed position. Each undergraduate student in the fall semester has the same probability of being chosen at any stage of the sampling process. Continuous data are in the form of fractional numbers. Roll one fair die (six-sided) 20 times. The exact distances (in centimeters) between the chairs in a college classroom.
A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. state whether the data is continous or discrete The durations of a chemical reaction comma repeated several times Choose the correct answer below. according to measurement accuracy, it can be significantly subdivided into smaller sections. The data are the colors of backpacks. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. The tables display counts (frequencies) and percentages or proportions (relative frequencies). Continuous data is the data that can be of any value. O A. You sample five houses.
Discrete and Continuous Data - Definitions, Examples - VEDANTU Larger samples are better, if possible. The gender of a person, i.e., male, female, or others, is qualitative data. To choose a simple random sample of size three from the other members of her class, Lisa could put all 31 names in a hat, shake the hat, close her eyes, and pick out three names. The following pie charts have the Other/Unknown category included (since the percentages must add to 100%). The weights of the soups (19 ounces, 14.1 ounces, 19 ounces) are quantitative continuous data because you measure weights as precisely as possible. Statistics and Probability questions and answers, state whether the data is continous or discrete The durations of These values do not have to be complete numbers, but they are values that are fixed. a. We might make different choices of what we think is the best graph depending on the data and the context. You sample five houses. These kinds of data are also known as Numerical data. The key difference between discrete and continuous data is that discrete data contains the integer or whole number. If you did the experiment a third time, do you expect the results to be identical to the first or second experiment? For example, the number of subjects in a course, the number of families living in a block, the number of digits in a code, etc. Problems with samples: A sample must be representative of the population. Continuous Data Examples: Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. Ungrouped frequency distribution of discrete data is performed against a single value. Then choose every fiftieth name thereafter until you have a total of 400 names (you might have to go back to the beginning of your phone list). Collecting data carelessly can have devastating results. Determine whether the value is from a discrete or continuous It is from a discrete data set because the number of possible values is infinite and countable. Read the study carefully to evaluate the work. Starting with that student, every 50th student is chosen until 75 students are included in the sample. There are distinct or different values in discrete data. Think about what contributes to making Doreens and Jungs samples different. It can be the version of an android phone, the height of a person, the length of an object, etc. Position 1 is less than the distance from G to H in Position 2. For instance, hair color might be black, dark brown, light brown, blonde, gray, or red. The exact lengths (in kilometers) of the ocean coastlines of different countries is a continuous variable because it can take on any value in an interval. Evaluate it on its merits and the work done. A sample of 100 undergraduate San Jose State students is taken by organizing the students names by classification (freshman, sophomore, junior, or senior), and then selecting 25 students from each. Discrete data. the number of data values is increased), their sample results (the average amount of time a student sleeps) might be closer to the actual population average. For these samples, each member of the population did not have an equally likely chance of being chosen. The numbers of programs installed on various computers ANSWERA.) The numbers of books (three, four, two, and one) are the quantitative discrete data. It was mentioned previously that two or more samples from the same population, taken randomly, and having close to the same characteristics of the population will likely be different from each other. While working on these data, it is important to know the types of data to process them and get the right results. Your email address will not be published. Ordinal data have natural ordering where a number is present in some kind of order by their position on the scale. Data that can only take on certain values are discrete data. Neither would be wrong, however. Which pair is farther from camp? When a car is randomly selected, it is found to have 3 wipers. Finite values have discrete data. What type of data is this?
(a) Is the data discrete or continuous? Why? (b) Prepare a freq | Filo Data that can only take on certain values are discrete data. According to a report, today, at least2.5 quintillion bytes of data are produced per day. The data are discrete because the data can take on any value in an interval. State whether each situation is categorical or quantitative. These 18 quiz scores are a stratified sample. Notice that the frequencies do not add up to the total number of students. A discrete data set because there are a finite number of possible values. Now business runs on data, and most companies use data for their insights to create and launch campaigns, design strategies, launch products and services or try out different things. B. Discrete vs continuous data are two broad categories of numeric variables. the chance of picking the first person for any particular sample is 1000 out of 10,000 (0.1000); the chance of picking a different second person is 999 out of 9,999 (0.0999); you do not replace the first person before picking the next person. The quiz scores (20 of them) in these 2 columns are the cluster sample. Try to identify additional data sets in this example. Whether you are a data scientist, marketer, businessman, data analyst, researcher, or you are in any other profession, you need to play or experiment with raw or structured data. A high school educational researcher interviews 50 high school female teachers and 50 high school male teachers. The areas of the lawns are 144 sq. What is the type of sampling in each case? The Other/Unknown category is large compared to some of the other categories (Native American, 0.6%, Pacific Islander 1.0%). However for practical reasons, in most populations, simple random sampling is done without replacement. To find the average GPA of all students in a university, use all honor students at the university as the sample. Qualitative data are generally described by words or letters. Two graphs that are used to display qualitative data are pie charts and bar graphs. You should ask the doubt there and then clear it, analyze it and work on it. A. Can we have both discrete data and continuous data from the same experiment? Each method has pros and cons. The data are continuous because the data can take on any value in an interval. Variation is present in any set of data. The data are the number of machines in a gym. Convenience sampling is a nonrandom method of choosing a sample that often produces biased data. So is the case of statistics too. Show Less. This data helps market researchers understand the customers tastes and then design their ideas and strategies accordingly. In today's changing times, pursuing a career in this subject is known to provide some of the most sought professional options. Frequently Asked Questions, Pew Research Center for the People & the Press, www.people-press.org/methodolwer-your-polls (accessed May 1, 2013). Your phone book contains 20,000 residence listings. LBCC Distance Learning (DL) program data in 2010-2011. lastbaldeagle. Dominic Lusinchi, President Landon and the 1936 Literary Digest Poll: Were Automobile and Telephone Owners to Blame? Social Science History 36, no. The data are continuous because If we have quantitative data, such as the correct number of questions on a test, then the data can be continuous or discrete. The data are discrete because the data can take on any value in an interval. Ra Your answer is correct. Both samples are biased. . The amount of money they spend on books is probably much less than the average parttime student.
Math 227 - Statistics Flashcards | Quizlet C. The data are Besides the chemistry course, some of them are also taking first-term calculus. What are the career options in the field of Statistics? c . These types of data are sorted by category, not by number. Create a stratified sample by column. One-third of a number when decreased by 2 equals one-fifth of the nimenbe Find the number. Additional Resources Solution: - Data : The capacities of different hotels. For example, suppose Lisa wants to form a four-person study group (herself and three other people) from her pre-calculus class, which has 31 members not including Lisa. Number each department, and then choose four different numbers using simple random sampling. Press ENTER 15 times and record the numbers. Record the number. The list of fruit is nominal. CS State whether the data described below are discrete or continuous, and explain why. The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). The term discrete means distinct or separate. Many other courses are available online to master your foundational knowledge which may assist you later. Determine whether the data described below are qualitative or quantitative and explain why: . B. Suppose ABC College has 10,000 part-time students (the population). What type of data does this graph show?
Dynamic models of epidemiology in discrete time taking into account O A. You sample five students. These data are represented mainly by a bar graph, number line, or frequency table. State whether the data described below are discrete or continuous, and explain why The speeds of the different people walking in a park Choose the correct answer below. Continuous data represents information that can be divided into smaller levels. It is from a continuousdata set because 218+ Consultants 4.7 Satisfaction rate On Tax Day, House to Call for Firing Federal Workers Who Owe Back Taxes. A. Qualitative or Categorical Data is data that cant be measured or counted in the form of numbers. All the members from these clusters are in the cluster sample. Using a calculator, random numbers are generated and a student from a particular discipline is selected if he or she has a corresponding number. Non-response or refusal of subject to participate: The collected responses may no longer be representative of the population. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. To determine the proportion of people taking public transportation to work, survey 20 people in New York City.
Answered: State whether the data described below | bartleby This category contains people who did not feel they fit into any of the ethnicity categories or declined to respond. You can go for a business analyst or a statistician or a financial analyst or even an economist etc. Learn data analytics or software development & get guaranteed* placement opportunities. A large ship is sailing between three small islands. ), Education Level (Higher, Secondary, Primary), Total numbers of students present in a class, The total number of players who participated in a competition. Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose.
Solved State whether the data described below are discrete - Chegg Press 5:randInt( and enter 1,6). For some students, it might feel difficult as it involves logical thinking and mathematics but its a great option for those who love solving and putting their minds all into logic. The data are continuous because the data can only take on specific values.
It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. This is true even when the samples are well-chosen and representative of the population. Numeric variables represent characteristics that you can express as numbers rather than descriptive language. Our choice also depends on what we are using the data for. Points in a graph of the discrete function remain unconnected. Amount of money, pulse rate, weight, number of people living in your town, and number of students who take statistics are examples of quantitative data. When you have a numeric variable, you need to determine whether it is discrete or continuous. These data take on only certain numerical values. As a rule, the larger the sample, the smaller the sampling error. This particular bar graph in Figure \(\PageIndex{4}\) can be difficult to understand visually. Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. Q: State whether the data below are discrete or continuous, explain why. For example, you can not have a natural order for apple, orange, and banana. State whether the data described below are discrete or continuous, and explain why. a chemical reaction comma repeated several times Choose the correct The data are continuous because the data can take The colors of the houses are white, yellow, white, red, and white. A variable is said to be continuous if it can take on any value in an interval. This table displays six sets of quiz scores (each quiz counts 10 points) for an elementary statistics class. amount of money (in dollars) won playing poker, IQ scores (This may cause some discussion.). Since this is the case, sampling without replacement is approximately the same as sampling with replacement because the chance of picking the same individual more than once with replacement is very low. This website is using a security service to protect itself from online attacks. Now, suppose we take a third sample. The durations of a chemical reaction comma repeated . For column 1, Press 5:randInt( and enter 1,10). They may be related (correlated) because of their relationship through a different variable. Data that takes distinct values and cannot be in decimals is called discrete data. A student interviews classmates in his algebra class to determine how many pairs of jeans a student owns, on the average. Press ENTER two more times for the other 2 random numbers. feet, 180 sq. Which experiment had the correct results? Instructions: Use the Random Number Generator to pick samples. The data are the areas of lawns in square feet. Working on data is crucial because we need to figure out what kind of data it is and how to use it to get valuable output out of it. The data are discrete because the data can only take on specific values. Many of these students are taking first term calculus in addition to the organic chemistry class.
Is Age a Discrete or Continuous Variable? - Statology Misleading use of data: improperly displayed graphs, incomplete data, or lack of context.
Again, you sample the same five students. It may take any numeric value, within a potential value range of finite or infinite. Measurements of the amount of beverage in a 16-ounce can may vary because different people make the measurements or because the exact amount, 16 ounces of liquid, was not put into the cans. Record these numbers. The height of a student from age 5-15 is continuous data because the height varies continuously from age 5-15 which is not a constant for 10 years. Doreen uses systematic sampling and Jung uses cluster sampling. You are going to use the random number generator to generate different types of samples from the data. The color of hair can be considered nominal data, as one color cant be compared with another color. If you and your friends carry backpacks with books in them to school, the numbers of books in the backpacks are discrete data and the weights of the backpacks are continuous data. The examples you have seen in this book so far have been small. The data are discrete because the data can only take on specific . If you count the number of phone calls you receive for each day of the week, you might get values such as zero, one, two, or three. You can get study material, solved and unsolved questions, and also quizzes which will help you test your knowledge. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). state whether the data is continous or discrete The durations of The second pair starts due west and then turns 40 toward south. Every value within a range is included in continuous data. However, generally, we use age as a discrete, NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 8 Social Science, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. . Work collaboratively to determine the correct data type (quantitative or qualitative). Sample size issues: Samples that are too small may be unreliable. Factors not related to the sampling process cause nonsampling errors. You sample the same five students. However, generally, we use age as a discrete variable. Press ENTER. The option "B" is correct i.e. and the Michigan State University Institutional Animal Care and Use Committee prior to the start of data collection. Researchers often prefer to use quantitative data over qualitative data because it lends itself more easily to mathematical analysis. Press MATH. Use the column numbers: one through six. The use of discrete and continuous quantitative variables would be helpful for detecting intervention effects . The safest route is to avoid the closest pair of islands. This is completely natural. A pollster interviews all human resource personnel in five different high tech companies. the chance of picking the first person is 1,000 out of 10,000 (0.1000); the chance of picking a different second person for this sample is 999 out of 10,000 (0.0999); the chance of picking the same person again is 1 out of 10,000 (very low). Question: State whether the data described below are discrete or continuous, and explain why. Tips and Tricks to study Discrete and Continuous Data, Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. Work more on basics as they form the basis for many other concepts. The data are the weights of backpacks with books in them. 2013. 24 people said theyd prefer more talk shows, and 176 people said theyd prefer more music. B. Number the population 120,000 and then use a simple random sample to pick a number that represents the first name in the sample. Quantitative data are the result of counting or measuring attributes of a population.
Answered: State whether the data described below | bartleby It answers the questions like how much, how many, and how often. For example, the price of a phone, the computers ram, the height or weight of a person, etc., falls under quantitative data. O A. The results of convenience sampling may be very good in some cases and highly biased (favor certain outcomes) in others. Here are a few steps to prepare well for your exam which has statistics as a part of the course. Also read: 22 Top Data Science Books Learn Data Science Like an Expert. State whether the data described below are discrete or? For example, you could stratify (group) your college population by department and then choose a proportionate simple random sample from each stratum (each department) to get a stratified random sample. Any group of n individuals is equally likely to be chosen by any other group of n individuals if the simple random sampling technique is used. There are particular calculators for different statistics exams and having good knowledge about their use and implementation would be great. we conducted an additional simulated control chart analysis to determine whether detection of this normal . The data are continuous because the data can take on any value in an interval. Two students carry three books, one student carries four books, one student carries two books, and one student carries one book. Notice how much larger the percentage for part-time students at Foothill College is compared to De Anza College. You count discrete data. On the other hand, if we count large quantities of any discrete entity. Surely, you can get all the study material on Vedantu mobile app- learn live online. Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. Examples of discrete variables are the number of students and age. Whenever you face any problem the best solution is consulting the concerned teacher, you should never hesitate to ask for doubts. The action you just performed triggered the security solution. Have some sleep, its important. 1: 23-54 (2012), ssh.dukejournals.org/content/36/1/23.abstract (accessed May 1, 2013). The second sample is a group of senior citizens who are, more than likely, taking courses for health and interest.
Answered: State whether the data discribed below | bartleby The sample probably doesnt represent the entire fan base and is probably biased towards people who would prefer music. There are a number of options if you go for the statistics degree. Types of soups, nuts, vegetables and desserts are qualitative data because they are categorical. Once you are clear with the basic concept, you shall be able to understand additional concepts easily. O C. categorical, quantitative discrete or quantitative continuous. To find the average annual income of all adults in the United States, sample U.S. congressmen.
Qualitative or Quantitative? Discrete or Continuous? | Ching-Chi Yang y's house is at D, 750 feet from the intersection. Explain your reasoning. The numbers of hotels in cities Choose the correct answer below. They spend: $50; $40; $36; $15; $50; $100; $40; $53; $22; $22. Also, in both cases, not all students have a chance to be in either sample. c. The data are continuous because the data can take on any value in an interval. The amount a person grew (in height) in a year. This section will describe a few of the most common methods. Biased samples that are not representative of the population give results that are inaccurate and not valid. Step 2: Discrete and continuous data. Nominal data.Ordinal data.Discrete data.Continuous data. You can specify conditions of storing and accessing cookies in your browser.
Section 1-2 Practice Problems Flashcards | Quizlet The data are discrete because the data can only take on specific values. In some situations, having small samples is unavoidable and can still be used to draw conclusions. Asking all 10,000 students is an almost impossible task. But still, their samples would be, in all likelihood, different from each other. Then use simple random sampling to choose proportionate numbers from the first department and do the same for each of the remaining departments. Confounding: When the effects of multiple factors on a response cannot be separated. The data are continuous because the data can take We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Three cell phone towers form APQR. The data are continuous because the data can only take on specific values. Discrete Data Examples: The number of students in a class, the number of chocolates in a bag, the number of strings on the guitar, the number of fishes in the aquarium, etc.
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