A study of drinking habits of college students produced the following table of counts:
a. Is this an observational or an experimental study? Explain briefly.
b. What proportion of students who live with their parents say that they abstain from drinking alcohol? Consider the following computer output for a chi-square test: c. Show how to calculate the expected count for the "abstain from drinking/ reside off-campus with parents" cell of the table.
d. What conclusion would you draw from this chi-square test? Explain briefly.
e. Which cell contributes the most to the calculation of the chi-square statistic? What does this reveal about a possible relationship between a college student's location of residence and drinking habits? Explain.

Question

A study of drinking habits of college students produced the following table of counts:  
a. Is this an observational or an experimental study? Explain briefly.
b. What proportion of students who live with their parents say that they abstain from drinking alcohol? Consider the following computer output for a chi-square test:  c. Show how to calculate the expected count for the "abstain from drinking/ reside off-campus with parents" cell of the table.
d. What conclusion would you draw from this chi-square test? Explain briefly.
e. Which cell contributes the most to the calculation of the chi-square statistic? What does this reveal about a possible relationship between a college student's location of residence and drinking habits? Explain.

Quizplus · Accepted Answer

The Answer of A study of drinking habits of college students produced the following table of counts:  
a. Is this an observational or an experimental study? Explain briefly.
b. What proportion of students who live with their parents say that they abstain from drinking alcohol? Consider the following computer output for a chi-square test:  c. Show how to calculate the expected count for the "abstain from drinking/ reside off-campus with parents" cell of the table.
d. What conclusion would you draw from this chi-square test? Explain briefly.
e. Which cell contributes the most to the calculation of the chi-square statistic? What does this reveal about a possible relationship between a college student's location of residence and drinking habits? Explain.

A Study of Drinking Habits of College Students Produced the Following