Data and Statistics Test Review

Jason purchased pizza five times in March. What is the mean number of dollars he spent?

28, 18, 19, 18, 17

• 20
• 18
• 11
• 19

Calculate the mean.

23, 18, 9, 10, 5

• 55

• 13

• 14

• 17

Students record the number of stuffed animals they owned. The box plot shows the summary of the results. Which statement best describes the data?

• The interquartile range is 40.

• About half the students own 50 or less stuffed animals.

• The average number of stuffed animals owned is 60.

• A quarter of the students own 20 - 25 stuffed animals.

Mrs. Jones taillies her students responses regarding favorite pets. What percent of her class chose fish?

• 50%

• 30%

• 20%

• 40%

Based on the box plot, which statement is NOT true?

• Less than 25% of the money spent at restaurants was $60 or more.

• The largest amount spent was $80,

• Fifty percent of the money spent totaled $60 or more.

• The median spent was $60.

Which of the statements about the data in the histogram is true?

• A total of 12 students own 9 or less pets.

• Over half of the students own 0-4 pets.

• A total of 25 students were included in the data.

• There are four students that own between 10-14 pets.

93, 100, 82, 93, 67, 100, 67, 82, 93, 93
What is the range of this data set?

• 26
• 93
• 33
• 82

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142.
What is the range of Roger's scores?

• 193
• 127
• 60
• 66

The price of Nike Air Force 1 shoes are listed below.

72, 75, 78, 88, 83, 81, 92, 94, 67, 83, 85, 77, 89, 91, 74

What is the interquartile range of the shoes?

(a)  

What is the interquartile range of the data set below?

3, 5, 6, 6, 7, 8, 9

• 3

• 6

• 2

• 8