To calculate the location and dispersion measures.
Consider the following population:
|
71
|
89
|
65
|
97
|
46
|
52
|
99
|
41
|
62
|
88
|
|
73
|
50
|
91
|
71
|
52
|
86
|
92
|
60
|
70
|
91
|
|
73
|
98
|
56
|
80
|
70
|
63
|
55
|
61
|
40
|
95
|
a) Find out the mean and variance.
|
Mean
|
71.23333
|
|
Sample Variance
|
326.392
|
b) Conclude the percentage of data values that fall in each of the following intervals: x + -2s, x + -3s, x + -4s.
Evaluate these with the percentages specified by Tchebysheff's Theorem.