Biologists studying wildlife in the state parks want to estimate the average weight of chipmunks. They measured the weights of 5 chipmunks from each of 10 parks. The mean of the data was 91 grams, and the median was 87 grams. Which predictions match the data? A About one-half of the chipmunks weigh more than 91 grams.
B The average weight of the chipmunks is 87 grams.
C About one-half of the chipmunks weigh more than 87 grams.
D The average weight of the chipmunks is 91 grams.

Note d is right a is wrong