Question: Forecasting Weather Refer to Data Set 10 in Appendix B. a. Use the five-day forecast high temperatures and the actual high temperatures. Is there a

Forecasting Weather Refer to Data Set 10 in Appendix B.

a. Use the five-day forecast high temperatures and the actual high temperatures. Is there a correlation? Does a significant linear correlation imply that the five-day forecast temperatures are accurate?

b. Use the one-day forecast high temperatures and the actual high temperatures. Is there a correlation? Does a significant linear correlation imply that the one-day forecast temperatures are accurate?

c. Which would you expect to have a higher correlation with the actual high temperatures: the five-day forecast high temperatures or the one-day forecast high temperatures? Are the results from parts

(a) and

(b) what you would expect? If there is a very high correlation between forecast temperatures and actual temperatures, does it follow that the forecast temperatures are accurate?

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