Calculating Measures of Center

What is the first thing you should do before finding the median or the mode?

• Start crossing numbers off

• Put numbers in order from least to greatest

• List the numbers how they are

• Look for repeats

Find the mode:
4, 5, 4, 3, 5, 1, 6

• 4

• 5

• 4 & 5

• 3

Calculate the Mean Absolute Deviation 7, 9, 2, 7, 3, 5, 10

• 2.41

• 2

• 4.21

• 3

What is the second step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean

• Find the mean of the distances

• Find the mean of the data

Find the MAD:
58, 38, 54, 48, 26, 36

• 43

• 20

• 10

• 12

What is the minimum in this data set?

• 0

• 4

• 9

• 40

What is the median?

• 62

• 58

• 66

• 60

What is the third step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean

• Find the mean of the distances

• Find the mean of the data

At Dominique's Donuts the number of donut holes in a bag can vary. Help Dominique find the mode.

12,10,10,10,13,12,11,13,10

• 13

• 12

• 11

• 10

The scores awarded to 25 students for an assignment were as follows:

4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9

What is the mode?

• 6

• 7

• 8

• 9