Data and Statistics Review

Which class did better on the Algebra test?

• Class 1

• Class 2

• Not enough information

• Can't tell

What is the range of the data?

• 6

• 34

• 38

• 88

How many pieces of data are in the set?

• 63

• 60

• 12

• 18

What is the lower extreme of the data shown?

• 64

• 58

• 66

• 61

Which class has the higher test score median?

• Class #1

• Class # 2 

• The medians are equal.

• The median is not shown here. 

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

• 3.2

• 2.8

• 1.2

• 4.2

Which group had the largest range and what is the range?

• male and 62

• male and 57

• female and 54

• female and 57

What is the mean of the following set of data?

• 11.8

• 71

• 12

• 14.2

What is the interquartile range of 2nd Periods test scores?

• 12

• 9

• 15

• 80

What is the lower quartile(Q1) for 1st Period and 2nd Period?

• 60, 70

• 75, 80

• 80, 85

• 90, 92