Statistics Review

A teacher asked 20 students how many books they read last summer. The dot plot displays the data. What is the mode of the data?

• 1
• 2
• 9
• 10

Describe the shape of the data in the dot plot below.

• Symmetric

• Skewed Right

• Skewed Left

• Uniform

What kind of a question is this: You ask your math teacher, "How many students earned an A on our statistics quiz?"

• Non-Statistical Question
• Statistical Question

True or False: Range is a Measure of Center.

• True

• False

What kind of question is this: You ask 100 people in an airport, "How many states have you visited?"

• Statistical Question
• Non-Statistical question

What kind of a question is this: You ask all 6th graders in your school, "How many hours of television did you watch this week?"

• Statistical question
• Non-Statistical question

Your soccer coach is trying to decide where to take the team to eat after the game. He is comparing two restaurants. He wants the restaurant that, ON AVERAGE, is the least expensive. Which Measure should he choose?

• Measure of Center

• Measure of Variability

Which data display shows the weights in ounces of 38 books?

• A

• B

• C

• D

What is the interquartile range (IQR) of the data set?

• 20
• 25
• 5
• 10

Which Data Displays can NOT be used to report the number of data points.

• Box Plot

• Dot Plot

• Histogram

• Table