Mathematics, 30.03.2021 01:00 kelechikamalu1

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 5

Group B 3

2

2

Which statement about the data is true?

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

for group B by 1 MAD

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

for group B by 2 MAD

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

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

dogs in group A

Answers: 2

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