Question: Question 2

A public official working on health care reform wants to compare occupancy rates in urban versus suburban hospitals within his state. A random sample of 16 urban hospitals and a random sample of 16 suburban hospitals are selected within the state and the occupancy rates are recorded as follows:

(a) At the 5% significance level, is there evidence of a difference in the average occupancy rates between urban and suburban hospitals?

(b) What conditions must be met in part (a) of this problem?