A national car rental agency is interested in determining whether
the mean days that customers rent cars is the same between three of
its major cities. The following data reflect the number of days
people rented a car for a sample of people in each of three cities.
Assuming that a one-way analysis of variance is to be performed,
the value of the test statistic is approximately F = 3.4.

Boston	Dallas	Seattle
5	7	7
3	7	5
7	11	8
1	5	11
2	7
	3