Which experiment had the correct results? For column 1, Press 5:randInt( and enter 1,10). All you can do right now is to just take a deep breath and believe in yourself! The percent columns make comparing the same categories in the colleges easier. In reality, a sample will never be exactly representative of the population so there will always be some sampling error. The result of the rolling is a dice is 1, 2, 3, 4, 5, 6, 7, and 8. QUESTIONState whether the data described below are discrete or continuous, and explain why. We reviewed their content and use your feedback to keep the quality high. Therefore this is discrete data. Two positions of an open gate are shown. The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. Data that takes distinct values and cannot be in decimals is called discrete data. This category contains people who did not feel they fit into any of the ethnicity categories or declined to respond. B. If we were to examine two samples representing the same population, even if we used random sampling methods for the samples, they would not be exactly the same. The weights of the soups (19 ounces, 14.1 ounces, 19 ounces) are quantitative continuous data because you measure weights as precisely as possible. Continuous data is the data that can be of any value. LCM of 3 and 4, and How to Find Least Common Multiple, What is Simple Interest? Ans: Ducks in a pond are discrete data because the number of ducks is a finite number. State whether the data described below are discrete or continuous, and explain why. Instructions: Use the Random Number Generator to pick samples. However, students shall understand that it is important for them to recognize their interests and based on that, select the best career path possible. Those 100 students are the sample. b. The data are discrete because the data can only take on specific . Answered: State whether the data discribed below | bartleby Roll one fair die (six-sided) 20 times. 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. This variability in samples cannot be stressed enough. Discrete. Is Age a Discrete or Continuous Variable? - Statology Each student is chosen using simple random sampling. All data that are the result of measuring are quantitative continuous data assuming that we can measure accurately. O C. feet. Over time, some continuous data can change. The weights (in tons) of the trees in a forestANSWERA.) When properly selected, larger samples model the population more closely than smaller samples. This is completely natural. You can go for a business analyst or a statistician or a financial analyst or even an economist etc. The Literary Digest Poll, Virtual Laboratories in Probability and Statistics, Gallup Presidential Election Trial-Heat Trends, 19362008, Gallup Politics. That is, once a member is picked, that member goes back into the population and thus may be chosen more than once. OOO O A. Each student in the following samples is asked how much tuition he or she paid for the Fall semester. The numbers of majors offered by colleges Choose the correct answer below. State whether the data described below are discrete or - JustAnswer The data are discrete because the data can only take on specific values. To choose a stratified sample, divide the population into groups called strata and then take a proportionate number from each stratum. If we have quantitative data, such as the correct number of questions on a test, then the data can be continuous or discrete. 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. C. The data are where n is the number of tips in the phylogeny ( ) , P is the continuous trait value of each species, and Q is the expected value of each species given the continuous trait model calculated following Equation (11) of Beaulieu et al. You can get study material, solved and unsolved questions, and also quizzes which will help you test your knowledge. The data are continuous because If you sample without replacement, then the chance of picking the first person is ten out of 25, and then the chance of picking the second person (who is different) is nine out of 24 (you do not replace the first person). These values do not have to be complete numbers, but they are values that are fixed. Just know that you have prepared and worked hard for this. The option "B" is correct i.e. Sometimes percentages add up to be more than 100% (or less than 100%). a. The land areas of different countries Choose the correct answer below. Probably not. B. Statistical data needs to be critically analyzed, not simply accepted. 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. Sample size issues: Samples that are too small may be unreliable. The total number of students in a class is an example of discrete data. Frequently Asked Questions, Pew Research Center for the People & the Press, www.people-press.org/methodolwer-your-polls (accessed May 1, 2013). They spend: $50; $40; $36; $15; $50; $100; $40; $53; $22; $22. Suppose Doreen and Jung both decide to study the average amount of time students at their college sleep each night. Students often ask if it is "good enough" to take a sample, instead of surveying the entire population. Your answer is correct. There are several different methods of random sampling. They may be related (correlated) because of their relationship through a different variable. Nominal Data is used to label variables without any order or quantitative value. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. Solution: - Data : The capacities of different hotels. 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. Ra For the purpose of analysis, data are presented as the facts and figures collected together. Scott Keeter et al., Gauging the Impact of Growing Nonresponse on Estimates from a National RDD Telephone Survey, Public Opinion Quarterly 70 no. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. a. Statistics is a quite tough subject but for those who know how to use their mind, its the best one for them as it involves more practical knowledge and conceptual learning. Create a simple random sample of 15 quiz scores. Solved State whether the data described below are discrete - Chegg 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. 134.209.154.177 A.The data are continuous because the data can only take on the data can only take on specificvalues. A. The numbers generated are as follows: 0.94360; 0.99832; 0.14669; 0.51470; 0.40581; 0.73381; 0.04399. Press 5:randInt( and enter 1, 60). A discrete variable, on the other hand, can only take on specific values. However, in the real world age is often treated as a discrete variable because it makes more sense when collecting data and when reporting the results of a study. QUESTIONState whether the data described below are discrete or continuous, and explain why. It is further classified as discrete data and continuous data. Step One: Master the Foundational Knowledge. The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. Read the study carefully to evaluate the work. When a sampling bias happens, there can be incorrect conclusions drawn about the population that is being studied. Two students carry three books, one student carries four books, one student carries two books, and one student carries one book. Can I get some help? If she needed to, Lisa could have generated more random numbers. A. Confounding makes it difficult or impossible to draw valid conclusions about the effect of each factor. the data can only take on specific values . Question: CS State whether the data described below are discrete or continuous, and explain why. Record the three quiz scores in column one that correspond to these three numbers. State whether the data described below are discrete - Course Hero Neither would be wrong, however. Making a schedule/timetable or studying together with your peers may help you in focusing and keep you active. a. Often, people with strong positive or negative opinions may answer surveys, which can affect the results. The Other/Unknown category is large compared to some of the other categories (Native American, 0.6%, Pacific Islander 1.0%). Blood type might be AB+, O-, or B+. Ordinal data have natural ordering where a number is present in some kind of order by their position on the scale. Again, you sample the same five students. The data are discrete because the data can . a chemical reaction comma repeated several times Choose the correct - Example, Formula, Solved Examples, and FAQs, Line Graphs - Definition, Solved Examples and Practice Problems, Cauchys Mean Value Theorem: Introduction, History and Solved Examples. Factors not related to the sampling process cause nonsampling errors. Number of bacteria in a petri dish is 12,120. This website is using a security service to protect itself from online attacks. Notice that backpacks carrying three books can have different weights. Press ENTER 2 more times (even the repeats). CS State whether the data described below are discrete or continuous, and explain why. These data take on only certain numerical values. Qualitative data are generally described by words or letters. O A. Items a, e, f, k, and l are quantitative discrete; items d, j, and n are quantitative continuous; items b, c, g, h, i, and m are qualitative. we conducted an additional simulated control chart analysis to determine whether detection of this normal . Solved State whether the data described below are discrete - Chegg B. Self-funded or self-interest studies: A study performed by a person or organization in order to support their claim. Those numbers picked from the first department, picked from the second department, and so on represent the members who make up the stratified sample. Otherwise, the variable is nominal. A sample should have the same characteristics as the population it is representing. Causality: A relationship between two variables does not mean that one causes the other to occur. These kinds of data can be considered in-between qualitative and quantitative data. For accuracy, carry the decimal answers to four decimal places. The data are discrete because the data can only take on specific values. As a class, determine whether or not the following samples are representative. Each undergraduate student in the fall semester has the same probability of being chosen at any stage of the sampling process. A type of sampling that is non-random is convenience sampling. Sleep deprivation is of no use, instead, you should take a nap to relax the nerves of your brain in order to learn and study later. State whether the data described below are discrete or a. The data are discrete because the data can only take on specific values. Books for these classes tend to be expensive. All members of the four departments with those numbers are the cluster sample. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. State whether the data described below are discrete or? continuous, and Height is continuous but we sometimes don't really worry too much about minor variations and club heights into a set of discrete data instead. These data are represented mainly by a bar graph, number line, or frequency table. If Doreen and Jung took larger samples (i.e. Surely, you can get all the study material on Vedantu mobile app- learn live online. Also, in both cases, not all students have a chance to be in either sample. For example, the number of desks in an office, the number of times a dice is rolled, the number of telephone calls received, etc. You cannot expect your brain to work nicely with hundreds of thoughts, it will only create a mess. Three cell phone towers form APQR. 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. Use the column numbers: one through six. Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. y's house is at D, 750 feet from the intersection. 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. The colors red, black, black, green, and gray are qualitative data. There are many different potential problems that can affect the reliability of a sample. The data are discrete because the data can only take on specific values. amount of money (in dollars) won playing poker, IQ scores (This may cause some discussion.). Doreen's sample will be different from Jung's sample. You must choose 400 names for the sample. the number of classes you take per school year. To four decimal places, these numbers are equivalent (0.0999). There are a number of options if you go for the statistics degree. We might make different choices of what we think is the best graph depending on the data and the context. Hint: Data that are discrete often start with the words "the number of." the number of pairs of shoes you own. You are going to use the random number generator to generate different types of samples from the data. True random sampling is done with replacement. On Tax Day, House to Call for Firing Federal Workers Who Owe Back Taxes. The name nominal comes from the Latin name nomen, which means name. With the help of nominal data, we cant do any numerical tasks or cant give any order to sort the data.