Data and Statistics Review

What is the range of the data shown?

• 85

• 90

• 80

• 70

What percent of students picked vanilla as their favorite ice cream?

• 24%

• 76%

• 20%

• 50%

How many people have four books in their desks?

• 2

• 3

• 4

• 5

Which statement or statements are true of the data shown? Check all that apply

• There is an outlier of 10

• There are no outliers

• The mode is 2

• The range is 9

• The median is 5.5.

The number of children's movie tickets sold over a period of a week is shown below.
18, 23, 9, 16, 30, 16, 7
What is the mean number of movie tickets sold during the week?

• 17

• 21

• 16

• 18

What is the first quartile (Q1) of the data represented in the box plot?

• 10

• 15

• 20

• 25

Johanna just finished reading five books in five weeks. The five books have these numbers of pages: 208 ,250, 163, 420, and 384. If Johanna wants to find the average number of pages which measure of center should she use?

• Median

• Mean

• Range

• Mode

What is the median of the data below:

50,52,60,48,59,63,21,51,

95,58,56,59

• 42

• 57

• 58

• 63

With the table above. What would the graph look like?

(Hint: draw out a graph: dot or bar to help you visualize)

• Skewed Right

• Skewed Left

• Symmetrical

What is the median in the following data set? (Hint: You must re-order the numbers). 4, 2, 2, 6, 7, 6, 5, 3, 1, 2, 4

• 4

• 6

• 2

• 7