Scatter Plots, Trend Lines, and Two Way Table Unit Review

Out of all the people who like chocolate, what is the relative frequency for selecting a teen?

• 0.11

• 0.27

• 0.16

• 0.06

Which best describes the association shown in the scatter plot?

• Positive Association

• Negative Association

• No Association

Which best describes the association shown in the scatter plot?

• Positive Association

• Negative Association

• No Association

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 6 chapters. 

• ≅100 pages

• ≅170 pages

• ≅60 pages

• ≅20 pages

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?

• 55

• 0

• 103

• 100

Hector surveyed 500 people and asked them how far they drive to work and what the last digit of their phone number is. He used the results to make a scatter plot. What type of association should he expect to see in the scatter plot?

• Positive Association

• Negative Association

• No Association

Which scatter plot could be used to show the relationship between a person's age and a person's height?

• #3

• #4

• #5

• #6

Which would NOT likely be the variables represented on the scatter plot?

• The number of miles driven and the gallons of gas used.

• The number of students in a school and the number of unused lockers.

• The number of items ordered at a restaurant and the cost of the bill.

• The number of customers in a store and the length of the wait at the register.

Which best describes the form of this scatterplot?

• linear

• nonlinear

• scattered

Tags

CCSS.8.F.A.3

Which line appears to fit the data better?

• line A

• line B