Statistics Review

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

What is the range of the data shown?

• 85
• 90
• 80
• 70

The data from how many students was recorded on this histogram?

• 43

• 4

• 60

• 15

35, 43, 81, 30, 41, 95, 103, 43, 96

What is the mean of this data set?

• 43

• 46

• 567

• 63

What are the values for the five number summary?

Min., Q1, Q2, Q3, Max

• 2,4,6,8,10

• 0, 3,5,11,20

• 2, 2.5, 4.5, 10.5, 18

• 2, 3, 5, 11, 18

Which car club has the higher median? (a)  

• Cruisers
• Car Hops

Are these dot plots symmetric?

• Yes
• No

Which interval shows the greatest number of pets?

• 15-19
• 0-4
• 5-9
• 10-14

Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

• 7
• 23
• 31
• 34

Mrs. Anderson did a survey of her class about how many books they read over the summer. Using the dot plot, identify the correct statements.

(Choose THREE)

• More of her students have read more than 4 books than the number of students who read less than 3 books.

• Mrs. Anderson surveyed 20 students.

• Half of the students have read more than 1 book.

• Most of the students have read at least 1 book.

• All students read books.