(Choose 1 answer)
A retailer is interested in studying the effect of in-store promotions on the amount of money f during a store visit. Which of the following will NOT be considered an extraneous variable for
A. The mood of the shoppers as they enter the store.
B. The average amount of money spent by shoppers in the store.
C. The number of kids under the age of two that accompany an adult shopper
D. The day of the week/month when the study is conducted
E. The air temperature outside the store.
Exit 35