1

Calculate the mean.
1, 1, 1, 2, 100

Calculate the mean.
20, 20, 20, 20, 25

2

Find the median.
9, 4, 10, 1, 6

Find the median.
6, 11, 12, 2, 4

3

Calculate the IQR.
13, 20, 12, 14, 19, 18, 11, 15, 16

Calculate the IQR.
2, 5, 8, 9, 1, 3, 10, 4, 6

4

Calculate the MAD.
1.75, 2.20, 2.50, 2.55, 2.75, 2.80, 3.00, 4.45

Calculate the MAD.
2.75, 3.20, 3.50, 3.55, 3.75, 3.80, 4.00, 5.45