Listed below are the 44 U.S. presidents and their age as they began their terms in office.
|
Number
|
Name
|
Age
|
Number
|
Name
|
Age
|
|
1
|
Washington
|
57
|
23
|
B. Harrison
|
55
|
|
2
|
J. Adams
|
61
|
24
|
Cleveland
|
55
|
|
3
|
Jefferson
|
57
|
25
|
McKinley
|
54
|
|
4
|
Madison
|
57
|
26
|
T. Roosevelt
|
42
|
|
5
|
Monroe
|
58
|
27
|
Taft
|
51
|
|
6
|
J. Q. Adams
|
57
|
28
|
Wilson
|
56
|
|
7
|
Jackson
|
61
|
29
|
Harding
|
55
|
|
8
|
Van Buren
|
54
|
30
|
Coolidge
|
51
|
|
9
|
W. H. Harrison
|
68
|
31
|
Hoover
|
54
|
|
10
|
Tyler
|
51
|
32
|
F. D. Roosevelt
|
51
|
|
11
|
Polk
|
49
|
33
|
Truman
|
60
|
|
12
|
Taylor
|
64
|
34
|
Eisenhower
|
62
|
|
13
|
Fillmore
|
50
|
35
|
Kennedy
|
43
|
|
14
|
Pierce
|
48
|
36
|
L. B. Johnson
|
55
|
|
15
|
Buchanan
|
65
|
37
|
Nixon
|
56
|
|
16
|
Lincoln
|
52
|
38
|
Ford
|
61
|
|
17
|
A. Johnson
|
56
|
39
|
Carter
|
52
|
|
18
|
Grant
|
46
|
40
|
Reagan
|
69
|
|
19
|
Hayes
|
54
|
41
|
G.H.W. Bush
|
64
|
|
20
|
Garfield
|
49
|
42
|
Clinton
|
46
|
|
21
|
Arthur
|
50
|
43
|
G. W. Bush
|
54
|
|
22
|
Cleveland
|
47
|
44
|
Obama
|
47
|
Use a statistical software package such as Excel or Minitab to help answer the follow- ing questions.
a. Determine the mean, median, and standard deviation.
b. Determine the first and third quartiles.
c. Develop a box plot. Are there any outliers? Do the amounts follow a symmetric dis- tribution or are they skewed? Justify your answer.
d. Organize the distribution of ages into a frequency distribution.
e. Write a brief summary of the results in parts a to d.