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The numbers of hotels in cities Choose the correct answer below. For the purpose of analysis, data are presented as the facts and figures collected together. These data cant be broken into decimal or fraction values. For the purpose of analysis, data are presented as the facts and figures collected together. 5 (2006). But still, their samples would be, in all likelihood, different from each other. The sample probably doesnt represent the entire fan base and is probably biased towards people who would prefer music. To four decimal places, 9/25 = 0.3600 and 9/24 = 0.3750. Three cell phone towers form APQR. Surveys mailed to households and then returned may be very biased (they may favor a certain group). A. By using simple random sampling, select states to be part of the cluster. On Tax Day, House to Call for Firing Federal Workers Who Owe Back Taxes. Statistical data about spreading of the epidemic are known in discrete periods of time, for example twenty-four hours. In other words, each sample of the same size has an equal chance of being selected. Determine the correct data type (quantitative or qualitative) for the number of cars in a parking lot. Those 100 students are the sample. 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. The easiest method to describe is called a simple random sample. Every value within a range is included in continuous data. B. A student interviews classmates in his algebra class to determine how many pairs of jeans a student owns, on the average. Read the study carefully to evaluate the work. Learn data analytics or software development & get guaranteed* placement opportunities. Procrastination isnt even the last option if you are preparing for a statistics exam. O C. The data are continuous because the data can take on any value in an interval. 2013. Nominal Data is used to label variables without any order or quantitative value. 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. y's house is at D, 750 feet from the intersection. the distance it is from your home to the nearest grocery store. The data are discrete because the data can only take on specific values. The data are continuous because the data can only take on specific values . The distance from G to H in state whether the data is continous or discrete The durations of a chemical reaction comma repeated several times Choose the correct answer below. Besides simple random sampling, there are other forms of sampling that involve a chance process for getting the sample. The discrete data are countable and have finite values; their subdivision is not possible. Two positions of an open gate are shown. There are particular calculators for different statistics exams and having good knowledge about their use and implementation would be great. Many other courses are available online to master your foundational knowledge which may assist you later. These types of data are sorted by category, not by number. Non-response or refusal of subject to participate: The collected responses may no longer be representative of the population. b. 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. It helps you in saving time later as you already have some knowledge about algebra. Discrete data is data that can only take certain values, while data that can take any value is continuous data. 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. The data are the weights of backpacks with books in them. When you analyze data, it is important to be aware of sampling errors and nonsampling errors. Show how you know. 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. B. The data are the areas of lawns in square feet. There are several different methods of random sampling. Sometimes percentages add up to be more than 100% (or less than 100%). Biased samples that are not representative of the population give results that are inaccurate and not valid. a chemical reaction comma repeated several times Choose the correct Collaborative Exercise 1.2. Statistics and Probability questions and answers, state whether the data is continous or discrete The durations of 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. The data are discrete because the data can take on any value in an interval. Use the column numbers: one through six. In each form of random sampling, each member of a population initially has an equal chance of being selected for the sample. It is further classified as discrete data and continuous data. Most statisticians use various methods of random sampling in an attempt to achieve this goal. Ducks in a pond are discrete data because the number of ducks is a finite number. B.The data are discrete because the data can only take on specific values. The data are because.continuous the data can only take on specific values C. The type of data that has clear spaces between values is discrete data. You can get study material, solved and unsolved questions, and also quizzes which will help you test your knowledge. You count discrete data. O C. Create a systematic sample of 12 quiz scores. Besides the chemistry course, some of them are also taking first-term calculus. The numbers of programs installed on various computers ANSWERA.) These kinds of data can be considered in-between qualitative and quantitative data. You have to be dedicated. QUESTIONState whether the data described below are discrete or continuous, and explain why. Our choice also depends on what we are using the data for. Below are tables comparing the number of part-time and full-time students at De Anza College and Foothill College enrolled for the spring 2010 quarter. 25. The list of fruit is nominal. There are distinct or different values in discrete data. C. The data are Record the three quiz scores in column one that correspond to these three numbers. You can also visit their website. The gender of a person, i.e., male, female, or others, is qualitative data. If there is a repeat press ENTER again. You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business. If they are not, discuss the reasons. Samples of only a few hundred observations, or even smaller, are sufficient for many purposes. Doreen's sample will be different from Jung's sample. If Doreen and Jung took larger samples (i.e. For example, suppose you have to do a phone survey. A completely random method is used to select 75 students. State whether the data described below are discrete or continuous, and explain why. C. Data that can only take on certain values are discrete data. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. Each random number may only contribute one class member. Making a schedule/timetable or studying together with your peers may help you in focusing and keep you active. Discrete vs continuous data are two broad categories of numeric variables. Continuous Data Examples: Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. B. Over time, some continuous data can change. Which experiment had the correct results? Using a calculator, random numbers are generated and a student from a particular discipline is selected if he or she has a corresponding number. Instead of that, just revise what youve already done. answer below. Zanas house is at A, 500 feet from the intersection, and Tan's house is at B, 750 feet from F. Which distance is longer, the distance from Zana's house to Tan's house or the distance from Theresa's house to Is house? A continuous data set because there are infinitely mamy possible values and those values cannot be counted. These data consist of audio, images, symbols, or text. Do you think that either of these samples is representative of (or is characteristic of) the entire 10,000 part-time student population? Your answer is correct. The data are the number of books students carry in their backpacks. Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. Pick three quiz scores randomly from each column. OB. Discrete. Examples: crash testing cars or medical testing for rare conditions, Undue influence: collecting data or asking questions in a way that influences the response. B. A histogram is used to graphically represent continuous data. . The exact lengths (in kilometers) of the ocean coastlines of different countries. 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. The data are discrete because the data can take on any value in an interval. The tables display counts (frequencies) and percentages or proportions (relative frequencies). Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. 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. Researchers often prefer to use quantitative data over qualitative data because it lends itself more easily to mathematical analysis. Quantitative data are the result of counting or measuring attributes of a population. Log on to our website and explore courses delivered by industry experts. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. 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. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. Ans: Ducks in a pond are discrete data because the number of ducks is a finite number. A. CS State whether the data described below are discrete or continuous, and explain why. Results are the outcome of our efforts and if you believe that you have put your best, then you will surely be able to score good marks. Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. Once you are clear with the basic concept, you shall be able to understand additional concepts easily. Just know that you have prepared and worked hard for this. The data are because.continuous the data can take on any value in an interval B. We provide you year-long structured coaching classes for CBSE and ICSE Board & JEE and NEET entrance exam preparation at affordable tuition fees, with an exclusive session for clearing doubts, ensuring that neither you nor the topics remain unattended. While working on these data, it is important to know the types of data to process them and get the right results. According to a report, today, at least 2.5 quintillion bytes of data are produced per day. The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. Evaluate it on its merits and the work done. Which two towers are closest together. The road from A to E and the road from C and D are perpendicular and intersect at point F. Theresa's house is at C, 500 feet from the intersection. The triangles show the position of the gate in relation to its closed position. This website is using a security service to protect itself from online attacks. 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