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Mathematics, 08.07.2021 04:10, ligittiger12806
A study examined the stress amounts of working additional hours. In the study, the researchers investigated the link between weekly hou networking Web site. The Web site's directory was searched for those with "average" nares (e. g. "John Smith", "Sara Jones"). These inc leaving a sample size of 44 respondents. Answer parts (a) through (d).
a. Identify the experimental units for this study. Choose the correct answer below.
A. Stress levels
B. Weekly hours worked
C. All workers
D. People who used a particular Web site
b. What are the variables of interest? Are they quantitative or qualitative in nature?
A Weekly hours worked, qualitative; Stress level, quantitative
B. Weekly hours worked, qualitative; Stress level, qualitative
C. Weekly hours worked, quantitative; Stress level, quantitative
D. Weekly hours worked, quantitative; Stress level, qualitative
c. Describe the population of interest. Choose the correct answer below.
A. Weekly hours worked
B. People who used da particular Web site
C. All workers
D. Stress levels
d. Do you believe the sample of 44 respondents is representative of the population? Explain.
A. No, selection bilas is present since only those with average" names could participate, and the group of these that did was self-selecte
B. Yes, since the Web site is popular, the sample is likely to contain a diverse group.
C. No, although an average subset of the population was obtained the group within this subset that participated was self-selected.
D. Yes, an average subset of the population was obtained, and anyone within this subset could participate. hours worked and stress level (measured on a 5-point scale where 1 = "not stressed and 5= very stressed"). Participants for the study were those who used a popular social e individuals were then invited to participate in an online survey in exchange for a $10 gift certificate of the respondents, those who worked very many or very few hours were excluded
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Answers: 1
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