The data to the right compared the price of some kitchen staples at four different supermarkets located in the same city. Complete parts (a) through (d).
Item A B C D
Half-gallon_Milk 1.94 2.29 1.52 1.33
Dozen_Eggs 2.28 2.33 1.56 1.69
Head_of_Lettuce 1.29 1.95 1.55 1.32
Ground_Beef_1_lb 3.66 5.09 4.06 3.56
Apples_1_lb 1.05 1.93 1.96 1.41
Whole_Chicken 1.53 2.12 1.28 1.53
find the test stats