Measures of Center and Variation

Find the mean from the data set below.

90, 100, 95, 85, 60, 80

• 85

• 84

• 86

• 90

James adds all the numbers in a number set, then divides by the quantity of numbers.

What did James find?

• Mean

• Median

• Mode

• Range

Calculate the median for the following set of scores

45, 69, 69, 87, 88, 92, 99, 100

• 87

• 55

• 87.5

• 99

To find the average of a set of numbers, add up all the items and divide by...

• 2

• The minimum

• The maximum

• The number of items

In order to find the median, the data must be sorted from least to greatest first.

• True

• False

Find the median from the data set below.

12, 5, 9, 18, 22, 25, 5

• 9

• 8

• 12

• 18

Which shows how to find the range of this number set?

• 13 - 12 = 1

• 16 + 22 = 38

• 36 - 12 = 24

• 36 - 24 = 12

Tags

CCSS.6.NS.B.3

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89

• 10.1

• 7.26

• 9

Find the range.

12, 5, 9, 18, 22, 25, 5

• 20

• 15

• 22

• 18

What is the mode in this set of numbers:

7, 14, 20, 3, 7, 14, 2, 14, 7

• 7

• 20

• 7 & 14

• none of the above