n the population, New Yorkers have an average of 2 pets in their homes, with a standard deviation of 1. I am interested in evaluating whether or not medical doctors differ from the population in regard to number of pets owned. Below is data from 9 doctors. Test this hypothesis using an alpha level of .01.

# of pets

5

1

4

5

3

3

2

2

2

What is the appropriate test?

State the null hypothesis:

State the alternative hypothesis

Find the Critical Value (s):

Calculate the obtained statistic