Science: Mean, Median, Mode, and Range

What is the mean of the numbers 5, 7, 9, 11, and 13?

• 5

• 9

• 7

• 11

Find the median of the following set of numbers: 2, 4, 6, 8, 10.

• 6

• 4

• 8

• 10

In a data set, if a number appears most frequently, what is it called?

• mean

• median

• range

• mode

Calculate the range of the numbers 3, 6, 9, 12, and 15.

• 3

• 6

• 9

• 12

What is the median of the data set: 4, 7, 2, 9, 5, 1, 6, 3, 8?

• 9

• 2

• 5

• 10

If the mode of a data set is 5, what does it mean?

• The mode of a data set is the average of all the values.

• The mode of a data set is the value that appears most frequently.

• The mode of a data set is the value that appears in the middle of the data set.

• The mode of a data set is the value that appears least frequently.

Find the range of the following set of numbers: 12, 15, 18, 21, 24.

• 15

• 18

• 21

• 12

The mean of a set of numbers is 25. If all the numbers are multiplied by 2, what will be the new mean?

• 12.5

• 100

• 75

• 50

A data set has two modes, 7 and 9. What does it mean?

• The data set has two values, 7 and 9, that are outliers.

• The data set has two values, 7 and 9, that occur most frequently.

• The data set has two values, 7 and 9, that occur least frequently.

• The data set has two values, 7 and 9, that are not significant.