Please help me Also answers are on the pic and the graph is too.

The dot plot shows the number of books read by each students in grade 7 and 8 as part of a summer reading program. Match each phrase to it’s correct value.

The average number of books read by students in grade 7 is _.

The average number of books read by students in grade 8 is _.

The mean absolute deviation for books read by students in grade 7 is _.

The mean absolute deviation for books read by students in grade 8 is _.

The difference of the average number of books as a multiple of the mean absolute deviation for grade 8 is _.