dora calculated the mean absolute deviation for the data set 35, 16, 23, 42, and 19. her work is shown below.

step 1: find the mean. mean: 35+16+23+42+19 divided by 5 = 27

step 2: find each absolute deviation. 8, 11, 4, 15, 8

step 3: find the mean absolute deviation. mad: 8+11+4+15+8 divided by 5 =9.5

what is dora’s error?

a. dora should have divided by 4 when finding the mean.

b. dora found the absolute deviation of 35 incorrectly.

c. dora used only four numbers in finding the mean.

d. dora used only four numbers in finding the mean absolute deviation.