Data and Statistics Review

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

Find the mean.
90, 100, 95, 85, 60, 80

• 85

• 84

• 86

• 90

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

Tags

CCSS.7.EE.B.3

What is the range?

• average

• biggest-smallest

• the middle #

• happening the most

Which number is not the mean, median, mode, or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?

• 3

• 6

• 12

• 11

What is the mode of the dot plot?

• 8

• 9

• 1

• 2

Which class did better on the Algebra test?

• Class 1

• Class 2

• Not enough information

• Can't tell

Find the Mean Absolute Deviation:  10, 9, 3, 8, 10.  The Mean is 8

• 3

• 5

• 1

• 2

Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2 

• 3.2

• 2.8

• 1.2

• 4.2

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%