a-hospital-administrator-records-the-number-of-emergency-room-visits-for-each-sh

Question

A hospital administrator records the number of emergency room visits for each shift in a day. The counts are $48$ for the morning, $52$ for the afternoon, $65$ for the evening, and $35$ for the night. At the $0.01$ significance level, test the hypothesis that emergency room visits are distributed equally among the four shifts.

Accepted Answer

$chi squared equals 9.16$

Fail to reject null hypothesis; there is insufficient evidence that visits are unequally distributed.

Answer

$chi squared equals 9.16$

Reject null hypothesis; there is sufficient evidence that visits are unequally distributed.

Answer

$chi squared equals 9.16$

Reject null hypothesis; visits are equally distributed.

Answer

$chi squared equals 9.16$

Fail to reject null hypothesis; there is sufficient evidence that visits are equally distributed.