View the step-by-step solution to:

A school had decided to hire a new vice principal. A recent issue of the NEA magazine stated that the average vice principal salary for a school of...

A school had decided to hire a new vice principal. A recent issue of the NEA magazine stated that the average vice principal salary for a school of similar size is $60,000. At the request of the Board of Education, the principal conducts his own survey of vice principal's salaries. His survey of 25 schools revealed an average salary or $72,000 and a standard deviation of $9,000. Perform a hypothesis test at a 5% significance level to test the magazine's claim.


a. What is the appropriate sampling distribution to use?


b. State the null and alternative hypotheses.


c. State the decision rule at a significance level of 5% show all calculations

Top Answer

a) t distribution. b) H0;... View the full answer

Sign up to view the full answer

Other Answers

a) t  ​ G i v e n , ​ Decision rule ​ S i n c e H 1 : μ > 6 0 0 0 0 ,... View the full answer

1 comment
  • degrees of freedom: n-1 = 25-1=24
    • oflores31
    • Aug 02, 2018 at 1:05pm

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

-

Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question
Ask a homework question - tutors are online