question archive The mean number of retail sales over a 3-month period is 81, and the standard deviation is 4
Subject:FinancePrice: Bought3
The mean number of retail sales over a 3-month period is 81, and the standard deviation is 4.
The mean of the profit over this period is $6787, and the
standard deviation is $834.
Compare the variations of the two. Round the coefficients of variation to the nearest tenth.
A
Because the coefficient of variation is larger for profits, profits are more variable than the sales.
B
Because the coefficient of variation is larger for sales, sales are more variable than the profits.
C
Because the coefficient of variation is smaller for profits, profits are more variable than the sales.
D
Because the coefficient of variation is smaller for sales, sales are more variable than the profits.