5. mai is playing a game with a class of
second graders. mai knows she is exactly
120 inches from the mirror on the floor.
she has students stand so that she can just
see the top of their heads and then
guesses their heights. the students are
amazed!
65 in!
in 72 in
how is maiso accurate? what is the
height, h, of this student?

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?