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Interpreting Linear Data in Scatter Plots

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Interpreting Linear Data in Scatter Plots
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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 chapters would be in a book with 200 pages.

20

18

16

22

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Phil collected data from several of his friends about the number of hours they spent sleeping and the number of hours they spent playing video games on Saturday. He recorded the data in the scatterplot. Based on the scatterplot, what is the best prediction of the number of hours one of Phil's friends spends sleeping when the friend spends 1 hour playing video games?

10

8

7

9

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Julie made 25 international long-distance phone calls to London last month. The scatterplot below shows the length and cost of each phone call she made. Which conclusion is best supported by the scatterplot?

As the length of a call increases, the cost of the call decreases.

As the length of a call increases, the cost of the call increases.

As the length of a call increases, the cost of the call remains the same.

There is no relationship between the length of a call and the cost of a call.

Tags

CCSS.HSF.IF.B.4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which scatterplot suggests a linear relationship between x and y?

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

As x increases, y increases

no correlation

correlation coefficient

negative correlation

positive correlation

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a line of best fit used for?

To connect the points

To make predictions

To make the graph look pretty

To make it look like you know what you are doing

Tags

CCSS.8.EE.B.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which graph shows the line of best fit?

A

B

C

D

Tags

CCSS.8.EE.B.5

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