1. The following heights (inches) have been obtained for male staff at daily Planet.
|
73.10
|
66.00
|
65.90
|
72.00
|
67.50
|
|
69.90
|
69.10
|
68.40
|
74.30
|
69.90
|
|
72.10
|
69.40
|
71.00
|
70.10
|
71.50
|
|
61.50
|
70.00
|
63.40
|
71.00
|
66.20
|
|
68.30
|
74.20
|
68.90
|
73.80
|
69.30
|
|
71.30
|
74.60
|
66.90
|
69.80
|
68.80
|
|
73.00
|
65.00
|
63.70
|
70.90
|
76.60
|
|
69.70
|
64.80
|
71.20
|
70.70
|
67.50
|
|
75.10
|
71.50
|
72.00
|
76.10
|
68.20
|
|
66.80
|
72.00
|
69.70
|
73.00
|
70.60
|
a) Make a table for frequency distributiona table for frequency distribution that has sixteen class intervals of width 1 inch. Employ 61.5 inches as the lower limit of the first interval and 62.5 as the upper limit
b) Add a column of relative frequencies of table found in (a)
c) Add a column of cumulative relative frequencies to table found in (a)