The ages of the 44 presidents at their first inauguration (as of 2015) are as follows. (Grover Cleveland was elected as both the 22nd and the 24th president. His age at both of his inaugurations is included.)

(a) Construct a frequency distribution with a first class of 42–47. 

(b) Construct a histogram. 

(c) Construct a frequency polygon.

Transcribed Image Text:

49 52 50 42 54 55 64 64 56 47 51 51 56 46 57 54 50 46 55 56 60 61 54 48 54 55 55 62 52 47 57 57 57 68 48 54 58 51 65 49 54 51 43 69