Assume you are a member of the Family Research Council and have become increasinglyconcerned about the drug use by professional sports players. You set up a plan and conduct asurvey on how people believe the American culture (television, movies, magazines, and popularmusic) influences illegal drug use. Your survey consists of 2250 adults and adolescents fromaround the country. A consumer group petitions you for more information about your survey.Answer the following questions about your survey.a. What type of scores did you use? Why?b. Did you use a random method for deciding who would be in your sample?c. Which of the methods (stratified, systematic, cluster, or convenience) did you use?d. Why was that method more appropriate for this type of data collection?e. If a convenience sample were obtained, consisting of only adolescents, how would theresults of the study be affected?

As per Bartleby guidelines, we can only solve the first three subparts of one question at a time.…

Answered: a. What type of scores did you use?…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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27. Extreme case/deviant sampling: unusual or special case enable to learn the most about the RQSelect one:TrueFalse
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4 The city council plans to conduct a survey and use the results to improve city services. The council wants to select citizens at random to participate in the survey. Which sampling method will NOT produce results representative of the population? F Obtain a list of customer names from the water department and survey each member of every tenth household over the age of 18. G Survey every person who attends a city council meeting each month for six months. H Survey each member of households with even house numbers. J Use a computer program to generate a list of addresses.
Suppose you are a market researcher conducting a study to determine the average household income in Durban North. Your budget allows you to survey only 500 households out of the 50,000 households in that particular suburb. Explain how you would use random sampling to select your sample focusing upon the potential sources of bias and error that may arise in the process
A certain soft drink bottler claims that more than 50% of its customers do not drink any other brand of soft drink. A random sample of 100 customers yielded 56 who do not drink any other brand of soft drink. Do these sample results support the bottler's claim? Use a 10% significance level. Round to three decimal places. What is the Test Statistic? I
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Experimental Study: In the experimental study, the researcher would first identify a sample population of individuals who are willing to participate in the study. The participants would be randomly assigned to two groups: intervention vs. control. The intervention group would consume a specific amount of fried food each day, while the control group would not consume any fried food. Both groups would undergo testing to measure cardiovascular health. In this study, the independent variable is fried food consumption, which is measured by recording the amount and type of fried food consumed by the intervention group. Cardiovascular health would be the dependent variable. The research would be conducted as a randomized controlled trial, a type of experimental study. The study could last several weeks or months, and participants would be closely monitored for changes in their cardiovascular health. Following the intervention, both groups would be subjected to post-intervention testing to…
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(d) As part of a marketing program, a city block containing 4 households was selected and a sample of 3 households was sampled as follows. Jeremiah, the research assistant, identified the households and numbered each household from 1 to 4. He then want to list all combinations of the 4 households 2 at a time. These are: 1 and 2 1 and 3 1 and 4 2 and 3 2 and 4 3 and 4 Unfortunately, Jeremiah got this job because he was related to the Department Chairman, and he was very careless. He forgot the combina- tion 3 and 4. He chose a random number between 1 and 5 (it turned out to be 4) which corresponded to the combination 2 and 3. Thus households 2 and 3 were sampled. The variable of interest was out-of-pocket medical expenses incurred by the household (Table Q1 (d)). Table Q1 (d) : Out-Of-Pocket Medical Expenses Incurred by the Household Expenses ($) 345.00 Household 1 126.00 492.00 962.00 3 4 (ii) Based on Jeremiah's sampling procedure, what is the expected value of mean and variance of…

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a. What type of scores did you use? Why? b. Did you use a random method for deciding who would be in your sample? c. Which of the methods (stratified, systematic, cluster, or convenience) did you use?