Review Line Graphs and Dot Plots

What could you infer about the variability of these two data sets?

• The boys would be greater than then girls

• They would be about the same

• The girls would be greater than the boys

• There is no comparison

A company makes four different computer models: XL10, XL50, XL200, and XL900. The company surveyed customers who bought these computers last year to determine the satisfaction/dissatisfaction rate among purchasers. The results of the survey are shown in the graph provided.

Which conclusion is supported by the graph?

• The purchasers of the XL50 had the highest rate of satisfaction.

• The purchasers of the XL900 had the highest rate of satisfaction.

• The purchasers of the XL10 had the highest rate of dissatisfaction.

• The purchasers of the XL200 had the highest rate of dissatisfaction.

What is the range of the data?

• 12

• 5.6

• 5

• 10

Mrs. Glick displayed the line plot shown to her students. Four students then analyzed the dot plot. Each student's response is shown in the provided table.

Who CORRECTLY analyzed the data in Mrs. Glick's dot plot?

• Blythe

• Cliff

• Donna

• Earnest

How many students received a score in the 80's?

• 2

• 10

• 14

• 27

The line plot shows the number of pairs of women's shoes sold by size in one week. Each "x" represents one pair of shoes.

What is the median size of the shoes sold?

What is a valid inference you can make based off of this data?

• The data is symmetrical

• No inference can be made

• People spend more time exercising than playing video games

• People spend more time playing video games than exercising

How many students received a score of 94%? 

• 94

• 4

• 1

• 2

What is the range of the test scores?

• 15

• 100

• 6

• 10

What is the MEDIAN of this data?

• 65

• 40

• 915

• 13