Question: Repeat Exercise 6 Heights of Presidents using all of the sample data from Data Set 15 Presidents in Appendix B. Use the indicated Data Sets

Repeat Exercise 6 "Heights of Presidents" using all of the sample data from Data Set 15 "Presidents" in Appendix B.

Use the indicated Data Sets in Appendix B. The complete data sets can be found at www.TriolaStats.com. Assume that the paired sample data are simple random samples and the differences have a distribution that is approximately normal.

A popular theory is that presidential candidates have an advantage if they are taller than their main opponents. Listed are heights (cm) of presidents along with the heights of their main opponents (from Data Set 15 "Presidents").

AGE DAYS YEARS HEIGHT 188 170 189 HEIGHT OPP 10 .Adams 1460 2921 2921 2921 189 170 Jefferson 183

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