A local consumer reporter wants to compare the average costs of grocery items purchased at three different supermarkets, A, B, and C. Prices (in dollars)were recorded for a sample of 60 randomly
Selected grocery items at each of the three supermarkets. In order to reduce item-to-item
Variation, the prices were recorded for each item on the same day at each supermarket. Identify the treatments for this experiment.
A)the 60 × 3 = 180 prices
B)the three supermarkets
C)the day on which the data were collected
D)the 60 grocery items

Question

A local consumer reporter wants to compare the average costs of grocery items purchased at three different supermarkets, A, B, and C. Prices (in dollars)were recorded for a sample of 60 randomly
Selected grocery items at each of the three supermarkets. In order to reduce item-to-item
Variation, the prices were recorded for each item on the same day at each supermarket.  Identify the treatments for this experiment.
A)the 60 × 3 = 180 prices 
B)the three supermarkets 
C)the day on which the data were collected 
D)the 60 grocery items

Quizplus · Accepted Answer

The Answer of A local consumer reporter wants to compare the average costs of grocery items purchased at three different supermarkets, A, B, and C. Prices (in dollars)were recorded for a sample of 60 randomly
Selected grocery items at each of the three supermarkets. In order to reduce item-to-item
Variation, the prices were recorded for each item on the same day at each supermarket.  Identify the treatments for this experiment.
A)the 60 × 3 = 180 prices 
B)the three supermarkets 
C)the day on which the data were collected 
D)the 60 grocery items

A Local Consumer Reporter Wants to Compare the Average Costs