Question: 32. Forecast Errors from Appendix B Refer to Data Set 8 in Appendix B and subtract each actual high temperature from the high temperature that

32. Forecast Errors from Appendix B Refer to Data Set 8 in Appendix B and subtract each actual high temperature from the high temperature that was forecast one day before. The result is a list of errors. Assuming that all such errors have a standard deviation of construct a 95% confidence interval estimate of the mean of all such errors. What does the result suggest about the accuracy of the forecast temperatures?

Finding Sample Size. In Exercises 33–38, find the indicated sample size.

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