Question

Store location Mean number of sales MAD
Central 45 4.1
North 47 5.7
South 29 5.9


A.
The number of cantaloupes sold at Central varied less than did the number sold at North.

B.
The number of cantaloupes sold at Central varied more than did the number sold at South.

C.
The number of cantaloupes sold at Central and South varied about the same amount.

D.
The number of cantaloupes sold at North and South varied about the same amount.