15. An educator claims that the average salary of substitute teachers in school districts in Allegheny County, 60 56 60 65 70 55 60 55 Is there enough evidence to support the educator's claim at a 0.17 (a) (2 pts) State the mail and alternative liypotheses. Hom= 60 Hain L60 M=60 (b) (5 pts) Compute the value of the test statisti. (c) (3 pts) Compute the critical value(s). (d) (3 pts) What is the p-value (or range of P-value)? (e) (2 pts) What is your decision? (1) (2 pts) What is your conclusion based on the