A sample of 50 females is given a test and they score an average of 75...

90.2K

Verified Solution

Question

Statistics

A sample of 50 females is given a test and they score an averageof 75 on it. A sample of 36 males is also given the test and scorean average of 72 on it. It is known from previous studies that thefemales have a standard deviation of 10, while the males have on of12 on this test. At an alpha of .05 is there a significantdifference in the true means for the females and the males?

a. Null/Alternate Hypothesis.

b. Test Statistic.

c. Critical regions

d. Reject/Fail to Reject

e. Find the p-value

f. Answer the question.

Answer & Explanation Solved by verified expert
3.7 Ratings (387 Votes)
a The test hypothesis isNullHypothesis H0 mu1 mu2 or H0 mu1 mu2 0AlternateHypothesis H1 mu1 ne mu2 or H0mu1 mu2 ne 0This is a    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