Question

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: 9l6 means 69 Key 5l8 means 58


a) Describe the overlap of the two sets of data
b) Calculate the mean of each data set .
c) Calculate the mean absolute deviation (MAD) of each data set .
d) Which set is more variable ? How do you know ?



HELP PLEASE