A random number generator is used to pick two of those years. The circumferences (in inches) of people's heads Choose the correct answer below. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. 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). For example, call-in surveys are invariably biased, because people choose to respond or not. Data are individual items of information that come from a population or sample. These 18 quiz scores are a stratified sample. A sample that is not representative of the population is biased. The discrete data contain the values that fall under integers or whole numbers. C. . Nominal Data is used to label variables without any order or quantitative value. Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. State whether the data described below are discrete or continuous, and explain why. You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business. The weights of the soups (19 ounces, 14.1 ounces, 19 ounces) are quantitative continuous data because you measure weights as precisely as possible. Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. Difference Between Continuous and Discrete Data, Questions on Discrete Data Continuous Data. amount of money (in dollars) won playing poker, IQ scores (This may cause some discussion.). 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. Hint: Data that are discrete often start with the words "the number of." the number of pairs of shoes you own. This data helps market researchers understand the customers tastes and then design their ideas and strategies accordingly. Evaluate it on its merits and the work done. Step 2: Discrete and continuous data. The table displays Ethnicity of Students but is missing the "Other/Unknown" category. You will learn why when you study confidence intervals. Data may be classified as qualitative, quantitative continuous, or quantitative discrete. Still, continuous data stores the fractional numbers to record different types of data such as temperature, height, width, time, speed, etc. The Other/Unknown category is large compared to some of the other categories (Native American, 0.6%, Pacific Islander 1.0%). However, if two or more of you are taking the same data and get very different results, it is time for you and the others to reevaluate your data-taking methods and your accuracy. Quantitative data can be expressed in numerical values, making it countable and including statistical data analysis. The data are discrete because the data can only take on specific values. Experts are tested by Chegg as specialists in their subject area. . That is, once a member is picked, that member goes back into the population and thus may be chosen more than once. Again, you sample the same five students. Quantitative data are always numbers. What type of data does this graph show? However, students shall understand that it is important for them to recognize their interests and based on that, select the best career path possible. a. stratified; b. systematic; c. simple random; d. cluster; e. convenience. A student interviews classmates in his algebra class to determine how many pairs of jeans a student owns, on the average. Systematic sampling is frequently chosen because it is a simple method. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. Step One: Master the Foundational Knowledge. Solved state whether the data is continous or discrete The | Chegg.com 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. Indicate whether quantitative data are continuous or discrete. This table displays six sets of quiz scores (each quiz counts 10 points) for an elementary statistics class. This data helps a company analyze its business, design its strategies, and help build a successful data-driven decision-making process. The graph in Figure \(\PageIndex{5}\) is a Pareto chart. on any value in an interval . State whether the data described below are discrete or continuous and explain why The amounts of time that different - Answered by a verified Tutor . Displaying percentages along with the numbers is often helpful, but it is particularly important when comparing sets of data that do not have the same totals, such as the total enrollments for both colleges in this example. 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. The total number of students in a class is an example of discrete data. 1.2.13 State whether the data described below are discrete or continuous and explain why.The times required by students to complete a statistics test Choose the correct answer below. Continuous data: When numerical data has . The data are continuous because the data can take If she needed to, Lisa could have generated more random numbers. On your calculator, press Math and arrow over to PRB. The data are continuous because the data can only take on specific values. To determine the proportion of people taking public transportation to work, survey 20 people in New York City. A histogram is used to graphically represent continuous data. Data from www.bookofodds.com/Relationsh-the-President. Create a cluster sample by picking two of the columns. feet, 190 sq. Do not automatically assume that the study is good, but do not automatically assume the study is bad either. State whether the data described below are discrete or continuous, and explain why. Sampling data should be done very carefully. Instructions: Use the Random Number Generator to pick samples. There are several different methods of random sampling. Record the number and the first quiz score. Most statisticians use various methods of random sampling in an attempt to achieve this goal. Numeric variables represent characteristics that you can express as numbers rather than descriptive language. The job of the statistician is to see through the variability and draw appropriate conclusions. The data are continuous because the data can take on any value in an interval . Create a simple random sample of 15 quiz scores. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. Continuous Data Examples: Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. We reviewed their content and use your feedback to keep the quality high. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. Complex numbers and fluctuating data values that be measured over a defined time frame are referred to as continuous data. You sample five students. The list of fruit is nominal. 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. Solved CS State whether the data described below are - Chegg Suppose ABC College has 10,000 part-time students (the population). (2012), D is the discrete character data, z is a particular character mapping, and are the parameters of the hOUwie model. The gender of a person, i.e., male, female, or others, is qualitative data. QUESTIONState whether the data described below are discrete or continuous, and explain why. It can be the version of an android phone, the height of a person, the length of an object, etc. To do so, the ship must sail between two pairs of islands, avoiding sailing between a third p Tables are a good way of organizing and displaying data. Work more on basics as they form the basis for many other concepts. Finite values have discrete data. This website is using a security service to protect itself from online attacks. feet, 180 sq. Factors not related to the sampling process cause nonsampling errors. A. 2013 - 2023 Great Lakes E-Learning Services Pvt. No. Number each department, and then choose four different numbers using simple random sampling. For instance, hair color might be black, dark brown, light brown, blonde, gray, or red. For example, a computer software store conducts a marketing study by interviewing potential customers who happen to be in the store browsing through the available software. 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. A discrete data set because there are a finite number of possible values. c. The data are continuous because the data can take on any value in an interval. Collaborative Exercise 1.2. Qualitative data are generally described by words or letters. For example, the sample may not be large enough. The amount of money they spend on books is probably much less than the average parttime student. Ordinal data have natural ordering where a number is present in some kind of order by their position on the scale. To four decimal places, these numbers are not equivalent. continuous, and explain why. Data is the new oil. Today data is everywhere in every field. True random sampling is done with replacement. Examples are lengths, temperature, etc. This page titled 1.2: Variables and Types of Data is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. The volume of cola in a can is 11.8 oz. Over time, some continuous data can change. Pick three quiz scores randomly from each column. B. The numbers of hotels in cities Choose the correct answer below. These data take on only certain numerical values. Nominal data.Ordinal data.Discrete data.Continuous data. Work collaboratively to determine the correct data type (quantitative or qualitative). We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Both samples are biased. a. B. B. A.The data are continuous because the data can only take on the data can only take on specificvalues. The registrar at State University keeps records of the number of credit hours students complete each semester. 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. You should ask the doubt there and then clear it, analyze it and work on it. Performance & security by Cloudflare. The measure of ZQ is 10 less than the measure of LP. These 15 quiz scores are the systematic sample. In other words, each sample of the same size has an equal chance of being selected. Determine whether the data described below are qualitative or quantitative and explain why: . The data are the areas of lawns in square feet. 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. discrete because the data can only take on specific values . Number of bacteria in a petri dish is 12,120. We need to evaluate the statistical studies we read about critically and analyze them before accepting the results of the studies. Lisa reads two-digit groups until she has chosen three class members (that is, she reads 0.94360 as the groups 94, 43, 36, 60). Therefore, adjustment of the differential equations system under such data . 2311Review - Math 2311 Test 1 Review Know all definitions! State The data are because.continuous the data can only take on specific values C. The two numbers are for two of the columns. Neither would be wrong, however. . Section 1-2 Practice Problems Flashcards | Quizlet B. A medical researcher interviews every third cancer patient from a list of cancer patients at a local hospital. 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. We all know that time is very important, it doesnt wait for anyone. In the graph, the percentages add to more than 100% because students can be in more than one category. Which pair is farther from camp? a. Each random number may only contribute one class member. B. Therefore this is discrete data. Data that takes distinct values and cannot be in decimals is called discrete data. It is classified into two broad categories: qualitative data and quantitative data. For example, if the population is 25 people, the sample is ten, and you are sampling with replacement for any particular sample, then the chance of picking the first person is ten out of 25, and the chance of picking a different second person is nine out of 25 (you replace the first person). The actual process of sampling causes sampling errors. To four decimal places, 9/25 = 0.3600 and 9/24 = 0.3750. State whether the data described below are discrete or continuous, and explain why. All the members from these clusters are in the cluster sample. Convenience sampling involves using results that are readily available. The color of hair can be considered nominal data, as one color cant be compared with another color. State whether the data described below are discrete - Course Hero The numbers of programs installed on various computers ANSWERA.) State whether the data described below are discrete or continuous, and explain why. Now, suppose we take a third sample. Log on to our website and explore courses delivered by industry experts. The second sample is a group of senior citizens who are, more than likely, taking courses for health and interest. A. The data are discrete because the data can take on any value in an interval. 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. The size of a sample (often called the number of observations) is important. Biased samples that are not representative of the population give results that are inaccurate and not valid. The chart in Figure \(\PageIndex{6}\) is organized by the size of each wedge, which makes it a more visually informative graph than the unsorted, alphabetical graph in Figure \(\PageIndex{6}\). The action you just performed triggered the security solution. Discrete data: When numerical data has values that are countable and specific to a particular category, it is called discrete data. If quantitative, state whether it's discrete or continuous. MAT 131 - Descriptive Statistics Ch. 1.2 - Types of Data - Quizlet And this is the reason why most students find it to be an interesting subject. Asking all 20,000 listeners is an almost impossible task. The first The durations of a chemical reaction comma repeated . 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. Notice that the frequencies do not add up to the total number of students. Statistical data about spreading of the epidemic are known in discrete periods of time, for example twenty-four hours. 2. Your phone book contains 20,000 residence listings. 1. The following graph is the same as the previous graph but the Other/Unknown percent (9.6%) has been included. For example, in the case of statistics, algebra is a good option to learn before starting your statistics course. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. To choose a simple random sample from each department, number each member of the first department, number each member of the second department, and do the same for the remaining departments. a. (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.) Work collaboratively to determine the correct data type (quantitative or qualitative). Position 1 is less than the distance from G to H in Position 2. If you feel like your doubt is stupid and you skip it rather than ask it, it is not the correct approach.

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