Question: Please help: EXCEL QUESTION It was believed that the mean age of US presidents when taking power is 55. However, a reporter believes it has
Please help:


EXCEL QUESTION It was believed that the mean age of US presidents when taking power is 55. However, a reporter believes it has increased since 76-year-old Joe Biden was elected. A random sample of 36 presidents' ages were listed below. Test if the reporter's claim is true at a 10% significance level. Use Excel formulas/functions to calculate the test statistic and make your conclusion using either the critical value or p-value approach. [10 marks] US President Age when taking power Washington 57 J. Adams 61 Jefferson 57 Madison 57 Monroe 58 J. Q. Adams 57 Jackson 61 Van Buren 54 Harrison 68 Tyler 61 Polk 49 Taylor 64 Fillmore 50 Pierce 48 Buchanan 65 Hayes 54 B. Harrison 55Mckinley 54 T. Roosevelt 42 Wilson 56 Harding 55 Hoover 54 Truman 60 Eisenhower 62 Kennedy 43 Johnson 55 Nixon 56 Ford 61 Carter 52 Reagan 69 G. H. Bush 64 Clinton 46 G. W. Bush 54 Obama 47 Trump 70 Biden 76
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