Pre-Algebra Statistics Review

Find the MEDIAN from the list of numbers:

67, 42, 52, 73, 59, 34, 78

• 42

• 59

• 73

• 57

What is the relative frequency for a male that does not do an after school activity?

Round to 1 decimal place

• 42.1%

• 21.4%

• 50.8%

• 54.5%

Find the RANGE of these numbers:

18, 43, 11, 55, 16, 22, 25, 34, 87, 47, 62, 92, 43, 66, 20, 17, 42, 55, 52, 58, 86

• 20

• 34

• 68

• 81

The number of pages that Carolyn read in each day from Monday to Friday is shown below:

34, 12, 62, 24, 38

What is the MEAN number of pages she wrote per day?

• 24

• 12

• 34

• 38

What is the interquartile range (IQR) for the data below:

58, 22, 23, 41, 11, 32, 30, 19, 42, 51

• 11

• 20

• 7

• 47

The data for the 8th grade regarding after-school activities is shown in the table. What is the relative frequency that a student does an after school activity, given that the student is a male?

(Round to 1 decimal places)

• 27.8%

• 21.4%

• 56.5%

• 43.5%

Identify the outlier for the given data?

46, 32, 89, 57, 78, 63, 50, 67, 40, 44, 53, 58, 60

• 89

• No Outliers

• 40

• 78 and 89

Lizzy wanted to see how many texts she was sending on an average day. She decided to count how many she had sent in the past 10 days (shown below).

60, 72, 94, 108, 93, 78, 122, 111, 73, 84

Which of the following would approximately be her mean number of texts?

• 80

• 78

• 90

• 100

How many cities have temperatures GREATER than 90 degrees?

• 24

• 18

• 16

• 62

21. How many students are represented by the histogram?  

• Cannot be determined
• 9
• 31
• 35