Question: 21. Weather Forecast Accuracy Exercise 15 includes temperature forecast data for 14 days. Repeat Exercise 15 after referring to Data Set 8 in Appendix B.

21. Weather Forecast Accuracy Exercise 15 includes temperature forecast data for 14 days. Repeat Exercise 15 after referring to Data Set 8 in Appendix B. Use the data for all 35 days to expand the list of differences shown in Exercise 15. (The data in Exercise 15 are based on the first 14 days in Data Set 8.) Do your conclusions change when the larger data sets are used? Do you have more confidence in the results based on the larger data set?

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