Focus groups should not be used when there is a need to have data representative of a large population

An order fulfillment process normally operates two shifts a day, six days per week. Under normal conditions, 380 orders can be processed per shift. The weekly capacity is _____

a. less than 1,000 orders per week b. more than 1,000 orders but less than or equal to 2,000 order per week c. more than 2,000 orders but less than or equal to 3,000 orders per week d. more than 3,000 orders per week.

When performing tests of controls over authorization of cash receipts, which of the following sampling methods would be most appropriate?

A. Attributes. B. Ratio. C. Stratified. D. Variables.