Solve the Problem. -A Large Software Company Gives Job Applicants a Test of a Test

Essay

Solve the problem.
-A large software company gives job applicants a test of programming ability and the mean for that test has been
160 in the past. Twenty-five job applicants are randomly selected from one large university and they produce a
mean score and standard deviation of 183 and 12, respectively. Use a 0.05 level of significance to test the claim
that this sample comes from a population with a mean score greater than 160. Use the P-value method of
testing hypotheses.