Which situation comes closest to the signal-in-noise interpretation of average?

Question

a. John has 8 action figures. Tammy has 12. John has 10. Pam has 11. Summarize the number of action figures per person using one number.
b. When a stock fell during the recession, a group of 20 investors lost a total of $20,000. What is each investor's fair share of the loss?
c. The grades for Ms. Jones' class on the last exam were: 50, 68, 89, 100, 56, 72, 59, 88, 74, 76, 82. What was the typical score for a student in her class?
d. A scale was used to weigh a fish. Because the fish flipped around while being weighed, the scale gave a different reading each time it was used: 6.4, 5.7, 8.2, 6.2, 6.5, 6.0, 6.2. Estimate the actual weight of the fish.

Answer 1

Ans: d