AP Stats Semester Review

These are types of graphs that can be used to display categorical distributions. (Select all that apply)

• Bar graph

• Dotplot

• Histogram

• Boxplot

• Pie chart

A strong positive correlation has a r close to_____

• 0.93

• 0.49

• -1

• 0

What statement does the shaded region represent?

• A or B

• A and B

• A

• B

Identify the sampling method:

A researcher randomly selects and interviews fifty male and fifty female teachers.

• SRS

• Systematic

• Stratified

• Cluster

• Convenience

Identify the sampling method:

A community college student interviews the first 100 students to enter the building to determine the percentage of students that own a car.

• SRS

• Stratified

• Cluster

• Convenience

• Voluntary Response

What is the percentage of data that falls within three standard deviations of the mean?

• 99.7%

• 98.7%

• 95%

• 100%

A _______________ takes number values that are quantities.

• Categorical Variable

• Quantitative Variable

• Population

• Individual

A ____________________ is a quantitative variable that takes on a fixed set of possible values with gaps between them.

• Discrete

• Continuous

• Population

• Statistic

A quantitative variable that can take any value in an interval on the number line is a...

• Discrete Variable

• Continuous Variable

• Population

• Sample

Which graphs could you use to represent quantitative data? (Select all that apply).

• Bar Graph

• Histogram

• Pie Chart

• Box and Whisker Plot