Question: Consider the following set of sample data: a. Compute the mean and standard deviation for these sample data. b. Calculate the coefficient of variation for

Consider the following set of sample data:

a. Compute the mean and standard deviation for these sample data.

b. Calculate the coefficient of variation for these sample data and interpret its meaning.

c. Using Tchebysheff's theorem, determine the range of values that should include at least 89% of the data. Count the number of data values that fall into this range and comment on whether your interval range was conservative.

78 121 143 88 110 107 62 122 130 95 78 139 89 125

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