Which of the following would increase the necessary sample size in a study?
a. smaller mean of the variables in question
b. less need for precision
c. need to divide sample into sub-groups
d. larger population
e. smaller population
c. need to divide sample into sub-groups
Business
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The demographic variable that Numi Tea marketers were examining when they recognized that people who had discovered their product at a high-end spa or fine restaurant often shopped for groceries at Costco was ___.
a. Age b. Income c. Ethnicity d. Gender
Business
Considering the EOQ model, smaller lots are justified when holding costs are decreased
Indicate whether the statement is true or false
Business