Residents in Portland, Oregon think that their city has more rainfall than Seattle, Washington. To test this
Question:
Residents in Portland, Oregon think that their city has more rainfall than Seattle, Washington. To test this claim, citizens collect data on annual rainfall. In Portland, it is found that the average rainfall over 45 years is 37.50 inches, with a standard deviation of 1.82 inches. In Seattle, the average annual rainfall over 35 years is 37.07 inches, with a standard deviation of 1.68inches. Is there enough evidence to support the claim that Portland has more average yearly rainfall than Seattle using a level of significance of 10%?
Enter the Null Hypothesis for this test: H0:
Enter the Alternative Hypothesis for this test: H1:
What is the p-value for this hypothesis test? Round your answerto four decimal places.
What is the decision based on the given sample statistics?
Mathematical Statistics With Applications In R
ISBN: 9780124171138
2nd Edition
Authors: Chris P. Tsokos, K.M. Ramachandran