Question: Two large home improvement stores advertise that they sell their

Two large home improvement stores advertise that they sell their paint at the same average price per gallon.Arandom sample of 25 cans from storeYhad a standard deviation of $5.21, and store Z had a standard deviation of $4.08 based on a sample of 20 cans. At a 0.05 can we conclude that the variances are different? How much less would store Z’s standard deviation have to be in order to conclude a difference?
a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.



Sale on SolutionInn
Sales0
Views85
Comments
  • CreatedSeptember 02, 2015
  • Files Included
Post your question
5000