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That is, a member of the population may be chosen only once. The tables display counts (frequencies) and percentages or proportions (relative frequencies). Manufacturers regularly run tests to determine if the amount of beverage in a 16-ounce can falls within the desired range. The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. Random sampling methods include simple random sampling, stratified sampling, cluster sampling, and systematic sampling. Your answer is correct. Most of these students are, more than likely, paying more than the average part-time student for their books. b. The data are the number of machines in a gym. The station uses convenience sampling and surveys the first 200 people they meet at one of the stations music concert events. The size of a sample (often called the number of observations) is important. For example, in the case of statistics, algebra is a good option to learn before starting your statistics course. O A. 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. feet, 180 sq. You must choose 400 names for the sample. The exact distances (in centimeters) between the chairs in a college classroom. Working with data requires good data science skills and a deep understanding of different types of data and how to work with them. A high school educational researcher interviews 50 high school female teachers and 50 high school male teachers. The data are continuous because the data can only take on specific values . To find the average annual income of all adults in the United States, sample U.S. congressmen. Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). Performance & security by Cloudflare. air. The exact lengths (in kilometers) of the ocean coastlines of different countries. 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. QUESTIONState whether the data described below are discrete or continuous, and explain why. These values do not have to be complete numbers, but they are values that are fixed. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. 5 (2006). . For any particular sample of 1,000, if you are sampling with replacement. So is the case of statistics too. Indicate whether quantitative data are continuous or discrete. Press ENTER 15 times and record the numbers. Each random number may only contribute one class member. This data helps market researchers understand the customers tastes and then design their ideas and strategies accordingly. Ducks in a pond are discrete data because the number of ducks is a finite number. That is, once a member is picked, that member goes back into the population and thus may be chosen more than once. The class boundaries are 10 to less than 13, 13 to less than 16, 16 to less than 19, 19 to less than 22, and 22 to less than 25. It may take any numeric value, within a potential value range of finite or infinite. C. The data are Dominic Lusinchi, President Landon and the 1936 Literary Digest Poll: Were Automobile and Telephone Owners to Blame? Social Science History 36, no. Have some sleep, its important. The continuous data can be broken down into fractions and decimals, i.e. Discrete. Step One: Master the Foundational Knowledge. b. The following pie charts have the Other/Unknown category included (since the percentages must add to 100%). Determine whether the given value is from a discrete or continuous data set. The Other/Unknown category is large compared to some of the other categories (Native American, 0.6%, Pacific Islander 1.0%). You count discrete data. First, we use convenience sampling and survey ten students from a first term organic chemistry class. Is the study impartial? Quantitative data are always numbers. 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. Which experiment had the correct results? The easiest method to describe is called a simple random sample. Over time, some continuous data can change. Types of soups, nuts, vegetables and desserts are qualitative data because they are categorical. 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). O A. You can specify conditions of storing and accessing cookies in your browser. we conducted an additional simulated control chart analysis to determine whether detection of this normal . The departments are the clusters. Two graphs that are used to display qualitative data are pie charts and bar graphs. Keep counting ten quiz scores and recording the quiz score until you have a sample of 12 quiz scores. Ra Create a cluster sample by picking two of the columns. Samples of only a few hundred observations, or even smaller, are sufficient for many purposes. State whether the data described below are discrete or? continuous, and In reality, a sample will never be exactly representative of the population so there will always be some sampling error. State whether the data described below are discrete or continuous and explain why The amounts of time that different brands' batteries last in a CD player. Solved State whether the data described below are discrete - Chegg 10. Still, continuous data stores the fractional numbers to record different types of data such as temperature, height, width, time, speed, etc. a. Therefore, adjustment of the differential equations system under such data . The data are discrete because the data can take on any value in an interval. You sample five houses. The second sample is a group of senior citizens who are, more than likely, taking courses for health and interest. 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). A stated earlier, Lengths are in general, continuous variables. Sampling data should be done very carefully. OC. A statistics professor collects information about the classification of her students as freshmen, sophomores, juniors, or seniors. If you're asked whether age is a continuous or discrete variable in an Introductory Statistics class, the correct answer is technically continuous. For accuracy, carry the decimal answers to four decimal places. feet, and 210 sq. Press ENTER 2 more times (even the repeats). 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. In this article, we have discussed the data types and their differences. The data are discrete because the data can . We may prefer not to think of 10,00,100 and 10,00,102 as crucially different values, but instead as nearby points on an approximate continuum. Experts are tested by Chegg as specialists in their subject area. 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. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. pair starts due east and then turns 50 toward north. categorical, quantitative discrete or quantitative continuous. feet, 160 sq. The data are discrete because the data can only take on specific values. Examples: crash testing cars or medical testing for rare conditions, Undue influence: collecting data or asking questions in a way that influences the response. There are distinct or different values in discrete data. Statistics and Probability questions and answers, state whether the data is continous or discrete The durations of 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. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. There are particular calculators for different statistics exams and having good knowledge about their use and implementation would be great. Data may be classified as qualitative, quantitative continuous, or quantitative discrete. The bar graph is used to graphically represent discrete data. The students spend the following amounts: $180; $50; $150; $85; $260; $75; $180; $200; $200; $150. However for practical reasons, in most populations, simple random sampling is done without replacement. 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. True random sampling is done with replacement. Data that takes distinct values and cannot be in decimals is called discrete data. In today's changing times, pursuing a career in this subject is known to provide some of the most sought professional options. It would be great if you already have a bit of knowledge about a course before opting for it. State whether the data described below are discrete - Course Hero We have grown leaps and bounds to be the best Online Tuition Website in India with immensely talented Vedantu Master Teachers, from the most reputed institutions. Note: randInt(0, 30, 3) will generate 3 random numbers. 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. It is better for the person conducting the survey to select the sample respondents. This is true even when the samples are well-chosen and representative of the population. State whether the data described below are discrete or continuous, and explain why. Record the number and the first quiz score. In each form of random sampling, each member of a population initially has an equal chance of being selected for the sample. Those 100 students are the sample. Learn data analytics or software development & get guaranteed* placement opportunities. B. a chemical reaction comma repeated several times Choose the correct Suppose ABC College has 10,000 part-time students (the population). the type of car you drive. 2013. 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. four children shared a two third liter bottle of drink equal.how much did each child drink , two pairs of hikers leave the same camp heading in opposite divections. Suppose Doreen and Jung both decide to study the average amount of time students at their college sleep each night. Its really normal for you to feel anxious before your exam especially when the subject is statistics. And this is the reason why most students find it to be an interesting subject. CS State whether the data described below are discrete or continuous, and explain why. What are the career options in the field of Statistics? State whether the data described below are discrete or continuous, and Cloudflare Ray ID: 7a2992ec2e151da5 A. O C. Two students carry three books, one student carries four books, one student carries two books, and one student carries one book. Then survey every U.S. congressman in the cluster. ), Education Level (Higher, Secondary, Primary), Total numbers of students present in a class, The total number of players who participated in a competition. Besides simple random sampling, there are other forms of sampling that involve a chance process for getting the sample. A large ship is sailing between three small islands. 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. For example, suppose you have to do a phone survey. Discrete data. Q: State whether the data below are discrete or continuous, explain why. They spend: $50; $40; $36; $15; $50; $100; $40; $53; $22; $22. For the purpose of analysis, data are presented as the facts and figures collected together. Each travels 2 miles, then changes direction and travels 1.2 miles. A. A completely random method is used to select 75 students. Think about what contributes to making Doreens and Jungs samples different. The data are continuous because the data can only take on specific values. B. B. It might sound a bit weird but do not burden yourself with new topics before the exam. The ordinal data only shows the sequences and cannot use for statistical analysis. Researchers often prefer to use quantitative data over qualitative data because it lends itself more easily to mathematical analysis. You should know how to manage your time and utilize it in the best way possible. Rational Numbers Between Two Rational Numbers, XXXVII Roman Numeral - Conversion, Rules, Uses, and FAQs, Find Best Teacher for Online Tuition on Vedantu. Determine whether the given value is from a discrete or continuous data Besides the chemistry course, some of them are also taking first-term calculus. The sample probably doesnt represent the entire fan base and is probably biased towards people who would prefer music. Using a calculator, random numbers are generated and a student from a particular discipline is selected if he or she has a corresponding number. A medical researcher interviews every third cancer patient from a list of cancer patients at a local hospital. 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. If all the money in the 555, find the number of 10 coins in it 12. Our choice also depends on what we are using the data for. The quiz scores (20 of them) in these 2 columns are the cluster sample. You sample five gyms. Your email address will not be published. Show how you know. The continuous data can be broken down into. 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. The data are because.continuous the data can take on any value in an interval B. 134.209.154.177 Confounding makes it difficult or impossible to draw valid conclusions about the effect of each factor. Try to identify additional data sets in this example. The data are discrete because the data can only take on specific values. Each student is chosen using simple random sampling. Frequently Asked Questions, Pew Research Center for the People & the Press, www.people-press.org/methodolwer-your-polls (accessed May 1, 2013). Section 1-2 Practice Problems Flashcards | Quizlet The time(in minutes) it takes The time(in minutes) it takes A: It is given that the time (in minutes) it takes different students to drive to school from home. The data are continuous because the data can only take on specific values. Qualitative or Quantitative? Discrete or Continuous? | Ching-Chi Yang The data are continuous because the data can only take on specific values. Different types of data are used in research, analysis, statistical analysis, data visualization, and data science. For the purpose of analysis, data are presented as the facts and figures collected together. discrete because the data can only take on specific values . Number each department, and then choose four different numbers using simple random sampling. It is further classified as discrete data and continuous data. In some situations, having small samples is unavoidable and can still be used to draw conclusions. The data are continuous because the data can take on any value in an interval. A local radio station has a fan base of 20,000 listeners. The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). OD. What type of data is this? Since these samples are not representative of the entire population, is it wise to use the results to describe the entire population? You cannot expect your brain to work nicely with hundreds of thoughts, it will only create a mess. Each student in the following samples is asked how much tuition he or she paid for the Fall semester. Do you think that this sample is representative of (or is characteristic of) the entire 20,000 listener population? O C. B. Factors not related to the sampling process cause nonsampling errors. No. The data are the areas of lawns in square feet. data are discrete because the data can take on any value in an Question: State whether the data described below are discrete or continuous, and explain why. Number of bacteria in a petri dish is 12,120. For example, the number of desks in an office, the number of times a dice is rolled, the number of telephone calls received, etc. y's house is at D, 750 feet from the intersection. Roll one fair die (six-sided) 20 times. The job of the statistician is to see through the variability and draw appropriate conclusions. Most samples are taken from large populations and the sample tends to be small in comparison to the population. A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. The weights of the soups (19 ounces, 14.1 ounces, 19 ounces) are quantitative continuous data because you measure weights as precisely as possible. Answered: State whether the data discribed below | bartleby Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. The triangles show the position of the gate in relation to its closed position. 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. The data are continuous because . Examples are lengths, temperature, etc. These data take on only certain numerical values. Instead of that, just revise what youve already done. On Tax Day, House to Call for Firing Federal Workers Who Owe Back Taxes. Divide into groups of two, three, or four. Great Learning's Blog covers the latest developments and innovations in technology that can be leveraged to build rewarding careers. Required fields are marked *. Press 5:randInt( and enter 1,6). These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. In this situation, create a bar graph and not a pie chart. A soccer coach selects six players from a group of boys aged eight to ten, seven players from a group of boys aged 11 to 12, and three players from a group of boys aged 13 to 14 to form a recreational soccer team. For example, call-in surveys are invariably biased, because people choose to respond or not. (We assume that these are the only disciplines in which part-time students at ABC College are enrolled and that an equal number of part-time students are enrolled in each of the disciplines.) You can get study material, solved and unsolved questions, and also quizzes which will help you test your knowledge. This variability in samples cannot be stressed enough. 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. If quantitative, state whether it's discrete or continuous. Because students can complete only a whole number of hours (no fractions of hours allowed), this data is quantitative discrete. It includes only those values which are separate and can only be counted in, , which means that the data can not be split into, Continuous data is the data that can be of any value. Probably not. O A. To do so, the ship must sail between two pairs of islands, avoiding sailing between a third p the data can only take on specific values . Three cell phone towers form APQR. 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.
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