Chapter 9 Case Study: Clothing Store Sales.
The business research questions in Exercises 31–35 pertain to our Chapter 9 Case Study, Clothing Store Sales.
Question 9.33
33. Items Purchased. The assistant manager wants to determine whether the mean number of items customers are buying is less than 20.
9.1.33
(a) (b) Conclude that the population mean number of items that customers are buying is less than 20 when, in reality, it is less than 20. Conclude that the population mean number of items that customers are buying is equal to 20 when, in reality, it is equal to 20. (c) Conclude that the population mean number of items that customers are buying is less than 20 when, in reality, it is equal to 20. (d) Conclude that the population mean number of items that customers are buying is equal to 20 when, in reality, it is less than 20.