Statistics 220E

Homework 1

Due Wednesday, January 14 , 1998

1. State whether each of the following variables is qualitative or quantitative and indicate the measurement scale being used.
   
   a. Annual sales
   
   b. Soft-drink size (small, medium, or large)
   
   c.Employee classification (GS1 through GS18)
   
   d. Earnings per share
   
   e. Method of payment ( cash, check, credit card) .
   
   
2. WW 1-18.
   
3. WW 2-10, 2-11, 2-12.
   
4. WW 2-14.
   
5. WW 2-42.