Annual Pay: An employment information service claims the mean annual pay for the full-time male workers over age 25 and without a high school diploma is $22,275. The annual pay for a random sample of 10 full-time male workers without a high school diploma is listed. At alpha = 0.05, test the claim that the mean salary is $22,275.
20,654 |
21,139 |
22,350 |
21,399 |
22,979 |
16,918 |
19,156 |
23,198 |
24,187 |
26,283 |
A) Write the claim mathematiically
B) Find the critical value(s) and id the rejection region(s) What is the critical values t0 (t-null)
C) Find the standardized test statistic
D) Fail or reject
E) Interpret decision in the context of the orginal claim