3. A newspaper article says that on average, college freshmen spend 7.5 hours a week going to parties. One administrator does not believe that these figures apply at her college, which has nearly 3,000 freshmen. She takes a simple random sample of 100 freshmen and interviews them. On average, they report 6.6 hours a week going to parties, and the SD is 9 hours. Carry out all the steps of performing a one-sample 2 test, and state your conclusion