Listed below are the high temperatures (in ?F) near the author?s home on consecutive days beginning with September 1 of a recent year (from Data Set 11 in Appendix B). The mean of these high temperatures is 73.8?F. Test for randomness above and below the mean.

Use the runs test with a significance level of (All data are listed in order by row.)

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80 77 81 85 73 73 80 72 83 81 75 78 80 71 73 78 75 63 63 70 77 82 81 76 77 76 74 66 66 62 71 68 66 71 58