The mean number of pages per day in June is 14, and the mean number of pages per day in July is 27. The difference in the means is 13 pages per day. The MADs for June and July are both 3.5. Which statement best describes the difference of the means for the two months in terms of the mean absolute deviation (MAD) for each data set?

The difference in means is not meaningful because the means are separated by about 1 MAD.
The difference in means is meaningful because the means are separated by about 4 MADs
The difference in means is not meaningful because the means are separated by about 0.5 MADs.

The difference in means is meaningful because the means are separated by about 3 MADs.
A B C or D