A tree researcher wishes to test the claim made by a colleague that trees of a...

60.1K

Verified Solution

Question

Statistics

A tree researcher wishes to test the claim made by a colleaguethat trees of a certain species in a forest to the north are thesame height as the same species in a forest to the south. Theresearcher collected samples from both forests. In the northernforest, the sample size was 9 trees, the sample average was 32.7ft, and the sample standard deviation was 6.9 ft. In the southernforest, the sample size was 12 trees, the sample average was 35.4ft, and the sample standard deviation was 5.6 ft. With alpha = 0.1,test the claim.

Answer & Explanation Solved by verified expert
3.9 Ratings (659 Votes)
The provided sample means are shown belowAlso the provided sample standard deviations areand the sample sizes aren19 andn2121 Null and Alternative HypothesesThe following null and alternative hypotheses need to betestedHo Ha This corresponds to a twotailed test for which a ttest    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students