Robert Johnsons sales (in $1000s) over the last 7 months were 263, 345, 462, 198, 146, 231,

Question:

Robert Johnson’s sales (in $1000s) over the last 7 months were

263, 345, 462, 198, 146, 231, 252

Erin Phillips’ sales over this period were

240, 263, 236, 277, 214, 345, 210

a. Compute the mean and standard deviation for each set of monthly sales figures.

b. Compute the coefficient of variation for each set of monthly sales figures.

c. Use the summary measures from parts a and b to compare the performances of Robert and Erin.

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a Bob Johnson average sales in 1000s is 271 std deviation 963 Erin P...View the full answer

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