you may need to use the appropriate technology to answer this question. a deloitte employment survey asked a sample of human resource executives how their company planned to change its workforce over the next 12 months. a categorical response variable showed three options: the company plans to hire and add to the number of employees, the company plans no change in the number of employees, or the company plans to lay off and reduce the number of employees. another categorical variable indicated if the company was private or public. sample data for 180 companies are summarized as follows. employment plan company private public add employees 37 32 no change 19 34 lay off employees 16 42