Question: Refer to the following ages at inauguration of the elected
Refer to the following ages at inauguration of the elected presidents of the United States (from Data Set 12 in Appendix B). Test for randomness above and below the mean. Do the results suggest an upward trend or a downward trend?
Use a 0.05 significance level with the indicated test. If no particular test is specified, use the appropriate nonparametric test from this chapter.
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