Question: 5) [20 PTS] Consider the following data set for the number of customers that visited a departmental store on different days of a month. 68
5) [20 PTS] Consider the following data set for the number of customers that visited a departmental store on different days of a month.
68
64
82
75
68
60
88
62
76
93
73
79
88
73
60
93
71
59
85
75
61
65
75
77
74
62
78
63
72
66
a) Construct a frequency distribution with appropriate number of classes.
b) Construct a histogram and discuss the shape of this distribution.
c) Construct a cumulative percent frequency distribution.
d) Construct an ogive.
e) What proportion of days the store had 79 or less customers?
f) Fill in the following blanks:
Measures of Central:
1. Mean= _________
2. Median= ___________
3. Mode= ____________
Measures of Variation:
1. Range= ______________
2. Variance= _____________
3. Standard deviation= _____________
Measures of Relative Standing:
1. First quartile = _____________
2. Third quartile = ____________
3. Interquartile Range (IQR) = __________
4. The 90th percentile = _______________
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