A large bakery regularly orders cartons of Maine blueberries. The average weight of a carton is supposed to be 20 ounces. Random samples of cartons from two suppliers were weighed. The weights in ounces of the cartons were

Supplier I

15

19

20

20

20

21

25

Supplier II

15

17

18

18

22

25

25

1. Compute the standard deviation for the sample of cartons from Supplier II.
2. Compute the variance for the sample of cartons from Supplier II.
3. Compute the coefficient of variation for the sample of cartons from Supplier I.
4. Compute the standard deviation for the sample of cartons from Supplier I.
5. Compute the variance for the sample of cartons from Supplier I.