Singers. The frequency table shows the heights (in inches) of 130 members of a choir.
|
Height
|
Count
|
Height
|
Count
|
|
60
|
2
|
69
|
5
|
|
61
|
6
|
70
|
11
|
|
62
|
9
|
71
|
8
|
|
63
|
7
|
72
|
9
|
|
64
|
5
|
73
|
4
|
|
65
|
20
|
74
|
2
|
|
66
|
18
|
75
|
4
|
|
67
|
7
|
76
|
1
|
|
68
|
12
|
|
|
a) Find the median and IQR.
b) Find the mean and standard deviation.
c) Display these data with a histogram.
d) Write a few sentences describing the distribution of heights.