A 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
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?
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