Question: Here are winning percentages for 11 baseball players for their best four-year pitching performances:
0.755, 0.721, 0.708, 0.773, 0.782, 0.747, 0.477, 0.817, 0.617, 0.650, 0.651.
a. What is the mean of these scores?
b. What is the median of these scores?
c. Compare the mean and median. Does the difference between them suggest that the data are skewed very much?