An employment information service claims the mean annual pay for full-time male workers over age 25 without a high school diploma is

$22,300.

The annual pay for a random sample of

10

full-time male workers over age 25 without a high school diploma is listed. At

=0.01,

test the claim that the mean salary is

$22,300.

Assume the population is normally distributed.

20,655 21,132 22,357 21,397 22,977 16,915 19,159 23,192 24,182 26,284