Statistics Review

Find the Range

• 31
• 97
• 15
• 85

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

How do you find the Interquartile Range?

• divide the 3rd quartile by the 1st quartile
• subtract the biggest number by the smallest number
• divide the biggest number by the smallest number
• subtract the 3rd quartile by the 1st quartile

Which class has the higher test score median? 

• Class #1
• Class # 2 
• The medians are equal
• The median is not shown here. 

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the first quartile of the data?

• 25
• 27
• 29
• 33

What was the highest score on the math test?

• 53
• 79
• 97
• 90

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

What is the minimum value?

• 64
• 58
• 66
• 61

What is the Mode?
  22,7,22,1,7,18,18,16,6,6,7

• 7
• 18
• 21
• 6

What is a the meaning for "median"?

• fair share
• middle
• repeats the most
• variation