A dog trainer compared the mean numbers of lessons fortwo groups of dogs to learn a new trick.Mean number of lessons Mean Absolute Deviation (MAD)Group A 102Group B 122Which statement about the data is true?O A. The mean number of lessons for group A is less than the mean forgroup B by 1 MAD.B. The MAD for group A is less than the MAD for group B.C. On average, the dogs in group A required more lessons than thedogs in group B.D. The mean number of lessons for group A is less than the mean forgroup B by 2 MADs.
