Scatter Plots, Trend Lines, and Two Way Table Review

Which of the following would be the most accurate equation for the scatter plot?

• y = -2x - 7

• y = -x + 7

• y = 3x + 7

• y = 15x + 7

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.F.A.3

What is the line of best fit?

• y = 5/3x + 375

• y = 1/3x + 475

• y = 5/3x + 3

• y = 1/3x + 375

What is the equation of the line of best fit?

• y = 3/2x

• y = 30x

• y = 30x + 300

• y = 3/2x + 300

Is the association a positive or negative association?

• Positive

• Negative

Describe the association between the number of lanes rented and the number of people bowling.

• Non-linear association

• Negative linear association

• No association

• Positive linear association

Which conclusion is best supported by the scatterplot?

• 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.

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

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

Describe the association for the graph.

• Linear and Positive

• Linear and Negative

• Non-Linear and Positive

• Non-Linear and Negative

• Non-Linear and No Association

Tags

CCSS.8.F.A.3

Which scatter plot shows a negative relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Which scatter plot shows no relationship?

• Graph A

• Graph B

• Graph C

• Graph D