Probability and Measure of Center and Variability

It's the number that occurs the most times in a set of data.

• mean

• median

• mode

• range

It is a measure of variability that you get when you subtract the smallest number in a set of data from the largest number.

• mean

• median

• mode

• range

Which measure of center should you use if there is an outlier in your data?

• mean

• median

What is the mode of the following set of data?

• 23

• 21

• 14

• 25

The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?

• The mean will decrease

• The median will decrease

• The mean will increase

• The median will increase

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

• 9

• 5

• 3

• 7

Which measure of center best represents this set of data?
12, 13, 11, 16, 31, 14, 10, 15

• Mean

• median

• mode

What measure of center is best to use when we have outliers?

• mean

• median

• mode

• range

What is the maximum value?

• 58

• 66

• 64

• 60

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%