A Gallup Youth Poll was conducted to determine the topics that teenagers most wa

Question

A Gallup Youth Poll was conducted to determine the topics that teenagers most want to discuss with their parents. The findings show that 46% would like more discussion about the family's financial situation, 37% would like to talk about school, and 30% would like to talk about religion. The survey was based on a national sampling of 505 teenagers selected at random from all U.S. teenagers. Answer the questions below: a) Describe the sample and the population from which the sample was selected. b) Is the sample representative of the population? Explain your answer. c) What is the variable of interest in this study?

Explanation / Answer

Solution :

a) Sample consists of 505 Canadian teenagers drawn nationally and the population is Canadian teenagers.

b) Yes, the sample is representative of the population of interest because the sample was selected at random. Hence, we can assume that all differences across individuals are roughly equal.

c) Proportion of Canadian teenagers who would like more discussion on family's financial situation, proportion of Canadian teenagers who would like to talk about school, proportion of Canadian teenagers who would like to talk about religion.

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