Question

U.S. Presidents. The ages of the 44 U.S. presidents at their first inauguration (as of 2011) are:
57 57 49 52 50 42 54 55 64
61 61 64 56 47 51 51 56 46
57 54 50 46 55 56 60 61 54
57 68 48 54 55 55 62 52 47
58 51 65 49 54 51 43 69
a. Construct a frequency distribution with a first class of 42-47
b. Construct a histogram
c. Construct a frequency polygon