View the step-by-step solution to:

At the =.05 test the claim that the difference between the mean salary for photographers in North Carolina is less than $30,000.

At the α=.05 test the claim that the difference between the mean salary for photographers in North Carolina is less than $30,000. The result of a survey of randomly selected computer programmers and photographers in North Carolina are in this figure:
Computer engineers:
X = $50,000
S = $82,500
N = 31

Photographers:
X = $ 21,000
S = $32,000
N = 33

Recently Asked Questions

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