Stats: Review Chapter 5 - Bivariate Data

The scatter plot shows the amount of money earned and the number of hours babysat for a group of friends. 

How many of the friends made at least $80? 

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CCSS.8.SP.A.1

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The scatter plot shows the amount of money earned and the number of hours babysat for a group of friends. 

Write an equation for the line of fit drawn.

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CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

• they make $0.33 after working 0 hours

• they make $3.33 without working

• they make $1.67 without working

• they make $16.67 after working 0 hours

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CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

• they charge $0.33 after per hour

• they charge $3.33 per hour

• they charge $1.67 per hour

• they charge $16.67 per hour

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CCSS.8.EE.B.5

CCSS.8.F.A.3

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CCSS.8.SP.A.1

CCSS.8.SP.A.2

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The scatter plot shows the amount of money earned and the number of hours babysat for a group of friends. 

Which choice is best for why the data is positively correlated?

• Causation

• Lurking Variable

• Coincidence

• No Association

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CCSS.8.SP.A.1

CCSS.8.SP.A.2

Ten people who visited the vet were asked how many dogs and cats they owned. The results are shown in the table. Create a scatterplot that represents the data shown in the table.

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CCSS.8.SP.A.1

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Ten people who visited the vet were asked how many dogs and cats they owned. Use the scatterplot created in the previous problem.

What type of association is there between number of dogs and number of cats?

• Strong Positive

• Weak Positive

• Strong Negative

• Weak Negative

• No Association

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CCSS.8.SP.A.1

CCSS.8.SP.A.2

The scatterplot shows the ages of 8 track team members and the number of laps that each person ran. How old is the member who ran the greatest number of laps?

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CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.1

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CCSS.8.SP.A.3

The scatterplot shows temperature at the same time but at different elevations on a mountain. Temperatures are measured to the nearest degree Fahrenheit , and elevation is measured to the nearest 10 m. What is the outlier point? Write it as an ordered pair to the nearest integer.

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CCSS.8.SP.A.1

First box answer:

• Increase

• Decrease

• Stay the same

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CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2