Comparing Data Displays

What type of graphs is this?

• Scatter Plot

• Box Plot

• Histogram

• Frequency Table

Identify the following data display.

• Scatter Plot

• Stem and Leaf Plot

• Line Graph

• Pictograph

Why would you use a bar graph?

• When you want to show the change over time

• When the data has a small range

• When organizing numerical data

• When comparing sets of data

Identify the following data display.

• Relative Frequency Table

• Line Plot

• Frequency Table

• Scatter Plot

The dot plots compare the number of raffle tickets sold by boys and girls during a school fund-raiser. Which plot has the greater median? 

• Girls

• Boys

• Both Plots

• Neither

• A

• B

• C

• D

Select ALL the conclusions that may be made by comparing the ranges.

• The range for seventh graders is greater than the range for eighth graders.

• The range for eighth graders is greater than the range for seventh graders.

• There is less variability in the number of hours of homework for seventh graders.

• There is less variability in the number of hours homework for eighth graders.

• Seventh graders tend to spend less time on homework than sixth graders.

• The sixth grade data has a larger mode number of hours than the seventh grade data.

• The sixth grade data has a larger maximum number of hours than the seventh grade data.

• The median number of hours for both grade levels is 8 hours.

Which has a greater interquartile range?

• Airplane A

• Airplane B

• Both the same

Which car has the greater IQR?

• Car A

• Car B

• They're the same.

• You can't tell.