You are analyzing GSS data, and you are interested in whether or not there is a
ID: 3369270 • Letter: Y
Question
You are analyzing GSS data, and you are interested in whether or not there is a difference in the number of days of poor physical health reported by respondents based on the region of the US in which they live. Information about the variables: Name: Days of poor physical health past 30 days Questions associated with this variable: A. Now thinking about your physical health, which includes physical illness and injury, for how many days during the past 30 days was your physical health not good? Responses: 0-30 days Name: Region of interview Questions associated with this variable: A. REGION OF INTERVIEW Code Label 1 New england 2 Middle atlantic 3 E. nor. central 4 W. nor. central 5 South atlantic 6 E. sou. central 7 W. sou. central 8 Mountain 9 Pacific Select the appropriate procedure. two-sample t-test the ?2-test-of-independence ANOVA regression correlation None of these
Explanation / Answer
Answer: ANOVA
Reason:
Two sample t test cannot be performed as be have to compare more than 2 groups
?2-test-of-independence cannot be performed as variables are not categorical.
Regression is not suitable as we don't have to find relationship between variables
Correlation is also not suitable as we don't aim to find correlation between variables.
ANNOVA is suitable because we have to comapre difference in the number of days of poor physical health based on region. There are 9 regions or we can say groups.
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