View the step-by-step solution to:

A researcher wanted to determine if the average size of farms in two counties in Pennsylvania were different.

A researcher wanted to determine if the average size of farms in two counties in Pennsylvania were different. He samples 8 farms in Indiana County and determines the average size of a farm is 191 acres with a standard deviation of 38 acres. He then samples 10 farms in Greene County and determines the average size of a farm is 199 acres with a standard deviation of 12 acres. A hypothesis test was conducted at the 5% level of significance.

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