Mean Median Mode Test

What is the mean of this set of numbers?

90, 60, 80, 50, 83, 57, 85, 45, 43, 87

The mean of a set of numbers is 83. Three of the numbers are 43, 87, and 99. What is the fourth number?

• 99

• 104

• 103

• 105

What is the mean of this set of numbers?

95, 60, 97, 95, 98, 80

What is the mode of this set of numbers?

Match each measure of center to its definition.

• Mode

• Add all data points, then divide by how many data points there are

• Mean

• Find the number that appears most frequently (there could be more than one or none at all)

• Median

• Order your data, then find the middle number or average of the two middle numbers

Which of the following terms represent measures of center? You must select ALL correct answers!

• Mean

• Median

• Mode

• Range

Which measure of center best represents this data?

• mean

• median

• mode

• range

Which measure of center best represents this data?

• mean

• median

• mode

• range

Which measure of center best represents this data?

• mean

• median

• mode

• range

Why would median be the best measure of center for the following set of data?
100, 125, 100, 95, 125, 800, 150

• There is an outlier.

• There is repeated data.

• All values should be included in the measure of center.

• All of the above.