state whether the data is discrete or continuous

state whether the data is continous or discrete The durations of They may be related (correlated) because of their relationship through a different variable. Record the number. For accuracy, carry the decimal answers to four decimal places. It is further classified as discrete data and continuous data. We all know that time is very important, it doesnt wait for anyone. In one study, eight 16 ounce cans were measured and produced the following amount (in ounces) of beverage: 15.8; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5. Indicate whether quantitative data are continuous or discrete. a. Larger samples are better, if possible. Discrete. 10. The data are discrete because the data can only take on specific values. This variability in samples cannot be stressed enough. The two numbers are for two of the columns. There are several different methods of random sampling. True random sampling is done with replacement. . Continuous data are in the form of fractional numbers. While working on these data, it is important to know the types of data to process them and get the right results. Discrete data is data that can only take certain values, while data that can take any value is continuous data. O A. Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose. 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. It is understandable that it must be making you feel nervous right now but your emotions are valid! The data are continuous because Students often ask if it is "good enough" to take a sample, instead of surveying the entire population. Work collaboratively to determine the correct data type (quantitative or qualitative). Again, you sample the same five students. You count discrete data. It is countable. Can we have both discrete data and continuous data from the same experiment? 2003-2023 Chegg Inc. All rights reserved. Samples that contain different individuals result in different data. 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. 2013 - 2023 Great Lakes E-Learning Services Pvt. A local radio station has a fan base of 20,000 listeners. 3. They both did. These 18 quiz scores are a stratified sample. To four decimal places, these numbers are not equivalent. Scott Keeter et al., Gauging the Impact of Growing Nonresponse on Estimates from a National RDD Telephone Survey, Public Opinion Quarterly 70 no. Press ENTER 15 times and record the numbers. Tables are a good way of organizing and displaying data. For the purpose of analysis, data are presented as the facts and figures collected together. How to differentiate the obtained results as discrete and continuous data? O B. Discrete is data that can take only certain values. 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. B. 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. B. OD. The students spend the following amounts: $180; $50; $150; $85; $260; $75; $180; $200; $200; $150. But graphs can be even more helpful in understanding the data. A discrete data set because there are a finite number of possible values. Two graphs that are used to display qualitative data are pie charts and bar graphs. Nominal Data is used to label variables without any order or quantitative value. When a car is randomly selected, it is found to have 3 wipers. The action you just performed triggered the security solution. Ans: Ducks in a pond are discrete data because the number of ducks is a finite number. 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. 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. By using simple random sampling, select states to be part of the cluster. B. In some situations, having small samples is unavoidable and can still be used to draw conclusions. It is from a continuousdata set because 218+ Consultants 4.7 Satisfaction rate Samples of only a few hundred observations, or even smaller, are sufficient for many purposes. If we have quantitative data, such as the correct number of questions on a test, then the data can be continuous or discrete. The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. A stated earlier, Lengths are in general, continuous variables. Indicate whether quantitative data are continuous or discrete. The table displays Ethnicity of Students but is missing the "Other/Unknown" category. This category contains people who did not feel they fit into any of the ethnicity categories or declined to respond. a. Hint: Data that are discrete often start with the words "the number of.". The data are discrete because the data can only take on specific values. If you did the experiment a third time, do you expect the results to be identical to the first or second experiment? This table displays six sets of quiz scores (each quiz counts 10 points) for an elementary statistics class. 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. You must choose 400 names for the sample. Determine whether the data described below are qualitative or quantitative and explain why: . If she needed to, Lisa could have generated more random numbers. 4. This site is using cookies under cookie policy . Record the three quiz scores in column one that correspond to these three numbers. The colors red, black, black, green, and gray are qualitative data. From that number, count ten quiz scores and record that quiz score. No. First, we use convenience sampling and survey ten students from a first term organic chemistry class. You can go for many of the career options if you pursue stats, you can get detailed information about all of the above-mentioned choices and also many more careers on the online website of Vedantu which tells the full forms and also the detailed explanation of each one of them. B. Divide your college faculty by department. a. We might make different choices of what we think is the best graph depending on the data and the context. It is better for the person conducting the survey to select the sample respondents. Examples: crash testing cars or medical testing for rare conditions, Undue influence: collecting data or asking questions in a way that influences the response. These kinds of data can be considered in-between qualitative and quantitative data. If quantitative, state whether it's discrete or continuous. Thats why it is also known as Categorical Data. Measuring angles in radians might result in such numbers as \(\frac{\pi}{6}\), \(\frac{\pi}{3}\), \(\frac{\pi}{2}\), \(\pi\), \(\frac{3\pi}{4}\), and so on. The type of data that has clear spaces between values is discrete data. It only contains finite values, the subdivision of which is not possible. The color of hair can be considered nominal data, as one color cant be compared with another color. 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. (2012), D is the discrete character data, z is a particular character mapping, and are the parameters of the hOUwie model. Two students carry three books, one student carries four books, one student carries two books, and one student carries one book. Continuous data: When numerical data has . Collecting data carelessly can have devastating results. Data that can only take on certain values are discrete data. A high school counselor uses a computer to generate 50 random numbers and then picks students whose names correspond to the numbers. The volumes left parenthesis in cubic feet right parenthesis of different rooms Choose the correct answer below. What is the main difference between discrete and continuous data? Variation is present in any set of data. Show Less. Most data can be put into the following categories: Qualitative data are the result of categorizing or describing attributes of a population. Note: randInt(0, 30, 3) will generate 3 random numbers. a. stratified; b. systematic; c. simple random; d. cluster; e. convenience. state whether the data is continous or discrete The durations of a chemical reaction comma repeated several times Choose the correct answer below. Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. The colors of the houses are white, yellow, white, red, and white. State whether the data described below are discrete or continuous, and explain why: . Data that can only take on certain values are discrete data. Indicate whether quantitative data are continuous or discrete. No. 5. It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. A large ship is sailing between three small islands. A pollster interviews all human resource personnel in five different high tech companies. Researchers often prefer to use quantitative data over qualitative data because it lends itself more easily to mathematical analysis. These types of data are sorted by category, not by number. Those numbers picked from the first department, picked from the second department, and so on represent the members who make up the stratified sample. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. Complex numbers and fluctuating data values that be measured over a defined time frame are referred to as continuous data. Whenever you face any problem the best solution is consulting the concerned teacher, you should never hesitate to ask for doubts. The data are continuous because the data can take Weights are quantitative continuous data because weights are measured. Which two towers are closest together. The first The registrar at State University keeps records of the number of credit hours students complete each semester. But still, their samples would be, in all likelihood, different from each other. For the purpose of analysis, data are presented as the facts and figures collected together. The ordinal data only shows the sequences and cannot use for statistical analysis. The continuous data can be broken down into. interval. Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. Small letters like \(x\) or \(y\) generally are used to represent data values. The data . The data are continuous because the data can only take on specific values . O C. You should ask the doubt there and then clear it, analyze it and work on it. A continuous data set because there are infinitely many possible values and those values cannot be counted. The data are because.continuous the data can take on any value in an interval B. In reality, a sample will never be exactly representative of the population so there will always be some sampling error. Required fields are marked *. You can specify conditions of storing and accessing cookies in your browser. Doreen's sample will be different from Jung's sample. c. If Doreen and Jung took larger samples (i.e. Asking all 10,000 students is an almost impossible task. feet, 160 sq. For example, the number of desks in an office, the number of times a dice is rolled, the number of telephone calls received, etc. LBCC Distance Learning (DL) program data in 2010-2011. lastbaldeagle. Press ENTER and record that number. Statistics and Probability questions and answers, CS State whether the data described below are discrete or continuous, and explain why. The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. Otherwise, the variable is nominal. Hair color, blood type, ethnic group, the car a person drives, and the street a person lives on are examples of qualitative data. Blood type might be AB+, O-, or B+. a chemical reaction comma repeated several times Choose the correct All data that are the result of counting are called quantitative discrete data. Besides simple random sampling, there are other forms of sampling that involve a chance process for getting the sample. It includes only those values which are separate and can only be counted in whole numbers or integers, which means that the data can not be split into fractions or decimals. The data are the colors of backpacks. Data are individual items of information that come from a population or sample. Question: State whether the data described below are discrete or continuous, and explain why. Question: State whether the data described below are discrete or continuous, and explain why. Quantitative data, on the other hand, is one that contains numerical values and uses a scope. 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. Statistical data about spreading of the epidemic are known in discrete periods of time, for example twenty-four hours. This data helps market researchers understand the customers tastes and then design their ideas and strategies accordingly. (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.) A defective counting device can cause a nonsampling error. State whether the data described below are discrete or continuous, and explain why. The numbers of hotels in cities Choose the correct answer below. The data are continuous because the data can take on any value in an interval. The Pareto chart has the bars sorted from largest to smallest and is easier to read and interpret. What can you conclude about the angles opposite these sides? The data are continuous because the data can take on any value in an interval. Ltd. All rights reserved. The data are the weights of backpacks with books in them. To find out the most popular cereal among young people under the age of ten, stand outside a large supermarket for three hours and speak to every twentieth child under age ten who enters the supermarket. Also, the sample represents only those who showed up to the event earlier than the majority. The three cans of soup, two packages of nuts, four kinds of vegetables and two desserts are quantitative discrete data because you count them. O C. The data are continuous because the data can. Collaborative Exercise 1.2. Working with data requires good data science skills and a deep understanding of different types of data and how to work with them. In other words, each sample of the same size has an equal chance of being selected. The amount of money they spend on books is as follows: $128; $87; $173; $116; $130; $204; $147; $189; $93; $153. The second sample is a group of senior citizens who are, more than likely, taking courses for health and interest. Doreen uses systematic sampling and Jung uses cluster sampling. The numbers of hotels in cities Choose the correct answer below. 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. The areas of the lawns are 144 sq. Making a schedule/timetable or studying together with your peers may help you in focusing and keep you active. Most samples are taken from large populations and the sample tends to be small in comparison to the population. A medical researcher interviews every third cancer patient from a list of cancer patients at a local hospital. Grouped distribution of continuous data tabulation frequencies is performed against a value group. To four decimal places, 9/25 = 0.3600 and 9/24 = 0.3750. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. Each student in the following samples is asked how much tuition he or she paid for the Fall semester. These data dont have any meaningful order; their values are distributed into distinct categories. , i.e. 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. Try this experiment twice. According to a report, today, at least2.5 quintillion bytes of data are produced per day. Each travels 2 miles, then changes direction and travels 1.2 miles. Quick Check Introduction to Data Science. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Create a cluster sample by considering each state as a stratum (group). If you feel tired at the moment, even that too is fine. These values do not have to be complete numbers, but they are values that are fixed. Nominal and ordinal data can act as both discrete and continuous. All the members from these clusters are in the cluster sample. The discrete data are countable and have finite values; their subdivision is not possible. . Most of these students are, more than likely, paying more than the average part-time student for their books. - Example, Formula, Solved Examples, and FAQs, Line Graphs - Definition, Solved Examples and Practice Problems, Cauchys Mean Value Theorem: Introduction, History and Solved Examples. Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). The exact distances (in centimeters) between the chairs in a college classroom. 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). Experts are tested by Chegg as specialists in their subject area. Your email address will not be published. Sampling without replacement instead of sampling with replacement becomes a mathematical issue only when the population is small. For column 1, Press 5:randInt( and enter 1,10). 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. Quantitative data can be expressed in numerical values, making it countable and including statistical data analysis. Ra You will learn why when you study confidence intervals. For example, the sample may not be large enough. 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. We are interested in the average amount of money a part-time student spends on books in the fall term. according to measurement accuracy, it can be significantly subdivided into smaller sections. 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. Gathering information about an entire population often costs too much or is virtually impossible.

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