Question: 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) Determine the mean and variance.
b) Determine the percentage of data values that fall in each of the following intervals:
x±2s,x±3s,x±4s
c) Compare these with the percentages specified by Tchebysheff theorem.