Mathematics
Mathematics, 07.04.2021 01:00, ruddymorales1123

A dog trainer compared mean numbers of lessons for two groups of dogs to learn a new trick.

Mean number of lessons Mean Absolute Deviation (MAD)

Group A 15

3

Group B 9

3

Which statement about the data is true?

A. The MAD for group A is more than the MAD for group B.

B. The mean number of lessons for group A is greater than the mean

for group B by 6 MADs.

C. The mean number of lessons for group A is greater than the mean

for group B by 2 MADs.

D. On average, the dogs in group B required more lessons than the

dogs in group A.

answer
Answers: 1

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