Statistics Review

This box plot displays information about the number of text messages some students sent one day. What is the median number of texts sent by students?

• 10

• 20

• 14

• 26

This box plot displays information about the number of text messages some students sent one day. What is the IQR (interquartile range)?

• 10

• 20

• 14

• 26

Jada asked some students at her school how many hours they spent watching television last week, to the nearest hour. Here is a histogram for the data she collected. About how many students did Jada ask?

• 30

• 40

• 100

• 15

How many runners ran 5-6 miles a week?

• 5
• 6
• 11
• 8

What is the mean for the following numbers: 0, 2, 4, 6, 8, 12, 8, 4

• 5.0
• 5.5
• 6.0

What is the median of the dot plot?

• 2
• 3
• 4
• 5

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

• 10
• 15
• 20
• 25

For the data set below, which of the following measures is greatest?{20, 25 30, 31, 32, 45, 45, 80}

• Mean

• Median

• Mode

• Range

To find the _________ you add up all the numbers and then divide by how many numbers you have.

• Mean
• Median
• Mode
• Range

To find the ______ you put all numbers in order from least to greatest and then take the largest number minus the smallest number.

• Mean
• Median
• Mode
• Range