A study examined the personal benefits for businessmen of making a higher salary

Question

A study examined the personal benefits for businessmen of making a higher salary In the study, the researchers investigated the link between yearly salary and personal happiness (measured on a 9 point scale where 1 ="very unhappy" and 9 ='very happy") Participants for the study were those who used a popular Web site for business networking The Web sites directory was searched for those with 'average" names (e g "John Smith*. "Sara Jones') These individuals were then invited to participate in an online survey in exchange for a $10 gift certificate Of the respondents, those who made very high or very low salaries were excluded, leaving a sample size of 41 respondents Answer parts (a) through (d) Identify the experimental units for this study Choose the correct answer below Businessmen who used a particular Web site Salaries of businessmen All businessmen Personal happiness levels What are the variables of interest? Are they quantitative or qualitative in nature? Salary, quantitative Happiness level, qualitative Salary qualitative Happiness level quantitative Salary qualitative Happiness level, qualitative Salary, quantitative Happiness level quantitative Describe the population of interest Choose the correct answer below Personal happiness levels Businessmen who used a particular Web site All businessmen Salaries of businessmen Do you believe the sample of 41 respondents Is representative of the population' Explain Yes since the Web site is popular the sample is likely to contain a diverse group No although an average subset of the population was obtained the group within this subset that participated was self-selected Yes an average subset of the population was obtained and anyone within this subset could participate No selection bias is present since only those with "average" names could participate and the group of

Explanation / Answer

a) A) Businessmen who used a particular Web site

b) A) Salary: quantitative, Happiness level: qualitative

c) C) All businessmen

d) A) Yes,since the Web site is popular,the sample is likely to contain a diverse group.

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