hw3_skeleton

3.1

• 4. Mean will be greater than the median because there are large observations in the right tail, which increase the value of the mean, but not the median
• 5. Median is inbetween the 5000th and 5001st ordered values
• 6. False
• 7. Sample mean is 11
• 8. Sample mean is 82
• 9. Population mean is 9
• 10. Population mean is 15
• 11. $2,646
• 12. Missing value is 32

3.2

• 1. Zero
• 2. Mean
• 3. True
• 5. Sample varience = 36 Standard deviation = 6
• 6. Sample varience = 100 Standard deviation = 10
• 7. Population varience= 16 Standard varience = 4
• 8. Population varience = 64 Standard deviation = 8

• 1. III

  2. IV

  3. II

  4. I