There are four student employees at the Computer Help Desk. The supervisor wants to determine if there is a difference in the mean number of clients served per hour between the four employees. The data from a random selection of hours is depicted below. The second table displays results from an ANOVA test on this data with software. The supervisor claims there is a difference in the mean number of clients served per hour for these employees.

	Clients Served in the Hour									$\bar x$
Alan	5	5	6	5	3	3				4.5
Beth	5	5	6	4	3	5	7	8	3	5.11111
Carl	7	6	4	5	4	4	5			5
Denise	4	4	1	4	2	4	4	3	3	3.22222

ANOVA Results
$F$	$P$-value
3.68	0.0242028

(a) Test the supervisor's claim at the 0.05 significance level.

There is sufficient evidence to conclude that the population means are not equal.
Yes
No

(b) Does your conclusion change at the 0.01 significance level?
Yes
No