Mean, Median and Mode

To find the ______ you add up all the numbers and then divide by how many numbers you have.

• Mean

• Mode

• Median

To find the _____ you put all numbers in order from least to greatest and find the number that is in the middle.

• Mean

• Mode

• Median

A data set can have more than one mode.

• False

• True

Find the mean, median and mode:

3, 5, 7, 9, 11, 8, 3

• Mean - 6.9 Median - 11 Mode - 3

• Mean - 6.5 Median - 7 Mode - 3

• Mean - 7.2 Median - 6 Mode - 3

Identify the outlier for the given data:

23, 34, 27, 7, 30, 26, 28, 31, 34

• 7

• 23

• 31

• 34

What is the term for the median of the upper half of the data?

• Median

• Upper Quartile

• Lower Quartile

• Minimum

The mean of 5 numbers is 26. The first four numbers are 10, 20, 30, and 20. Find the 5th number.

• 130

• 50

• 80

• 20

What is the difference between the mean and the mode of the scores 20, 40, 50, 20 and 60?

• 2

• 12

• 18

• 20

The test marks of 10 students are 7, 5, 9, 8, 8, 8, 5, 7, 8, 8. What is the model mark?

• 5

• 7

• 8

• 9

The median of the scores 8, 3, 5, 7, 10, 8, 3 is:

• 3

• 7

• 5

• 8