A study examined the personal benefits of winning the lottery. In the study, the

Question

A study examined the personal benefits of winning the lottery. In the study, the researchers investigated the link between lottery prize amount and personal happiness (measured on a 5-point scale where 1equals"very unhappy" and 5equals"very happy"). Participants for the study were those who won the lottery within the past two years. The lottery's directory was searched for winners with "average" names (e.g. "John Smith", "Sara Jones"). These individuals were then invited to participate in an online survey in exchange for a $20 gift certificate. Of the respondents, those who won the largest or the smallest prizes were excluded, leaving a sample size of 40 respondents. Answer parts (a) through (d). a. Identify the experimental units for this study. Choose the correct answer below. A. All lottery winners B. Lottery prize amounts C. Personal happiness levels D. Lottery winners from the past two years

Explanation / Answer

Solution: a. Identify the experimental units for this study. Choose the correct answer below.

Answer: An experimental unit is a person, object, or some other well-defined item upon which a treatment is applied. Therefore, here the experimental unit is the lottery winners from the past two years. Hence the option D. Lottery winners from the past two years is the correct.

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