Math 3118, section 3

Spring 2001

Homework due Tuesday, April 24

1. Exercises from section 11.2
     
• Exercise 11.2.6
   
• Exercise 11.2.7
   
2. Supplementary problem (substitute for 11.2.14):
    
   In the XYZ corporation, the salaries are as follows:

 
• 100 people earn $20,000 per year
• 20 people earn $40,000 per year
• 2 people earn $100,000 per year
• 1 person earns $300,000 per year

 
1. Determine the mean salary and the median salary

 
2. Which of these two central measures is more representative of the "average worker's" salary?
    
3. Please comment on the reasons for your choice.
    
    
3. Optional for extra points:
    
   • Exercise 11.1.8 in the text.
      
   • Exercise 11.1.9 in the text.