Mean & Median

Find the mean of this data set: 10, 62, 15, 97.

• 30

• 46

• 55

• 70

If the data set is 7, 8, 9, 10, 11, what is the median?

• 8

• 9

• 10

• 11

What is the mean of the following data set: 20, 30, 40, 50?

• 30

• 35

• 40

• 45

What is the mean of the following numbers: 5, 10, 15?

• 8

• 10

• 12

• 15

What is another word, often used for the mean?

• median

• average

• mode

• total

Find the median of this data set: 98, 54, 14, 50.

• 50

• 52

• 54

• 56

Find the median of this data set: 48, 23, 7, 1, 49.

• 1

• 7

• 23

• 49

What is the formula to calculate the mean?

• Mean = (Sum of all values) / (Number of values)

• Mean = (Sum of all values) * (Number of values)

• Mean = (Maximum value + Minimum value) / 2

• Mean = (Sum of squared values) / (Number of values)

Find the median of this data set: 1, 2, 3.

• 1

• 2

• 3

• 4

How do you find the median in an even set of numbers?

• Arrange the numbers in order and average the two middle numbers.

• Select the largest number in the set.

• Choose the smallest number in the set.

• Count the total numbers and divide by two.