Another term used in the legal profession for "for free" or without compensation is:

Small retailers would generally find that it is less costly to use _____ in conducting retail audits than _____

a. company audit specialists; outside auditors b. company audit specialists; company department managers c. company audit specialists; independent consultants d. outside auditors; company audit specialists

The management of a department store is interested to estimate the difference in the amount of money spent by female and male shoppers. You are given the following information

Female Shoppers Male ShoppersSample size 64 49Sample mean $140 $125Population standard deviation $10 $8A 95 percent confidence interval estimate for the difference between the average purchases of the customers using the two different credit cards is:A) 49 to 64 B) 11.68 to 18.32 C) 125 to 140 D) 8 to 10