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August 2, 2015

Homework Help: statistics

Posted by April on Monday, April 28, 2014 at 9:15pm.

A clinical psychologist notices that admission to the psychiatric hospital she works at seem to
vary by season. Using a chi-square test, she rejects the null hypothesis that hospital admission
is independent of season. What conclusions can she make?
a. Hospital admissions are greater in the spring.
b. Hospital admissions are greater in the fall than in the winter.
c. There is a relationship between hospital admission and the season.
d. There is no relationship between hospital admission and the season.
I think the answer is c but the chi-square test has me confused.

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