Scatter Plots and Linear Models

What type of association does this graph have?

• positive

• negative

• none

• all of the above

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

• Graph A

• Graph C

• Graph B

• Graph D

Tags

CCSS.8.F.A.3

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

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

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

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 

• As the temperature increases, the number of visitors increases. 

• As the visitors increase, the temperature decreases. 

• No correlation

Which equation models the number of books read and their grade in English most accurately?

A research scientist is studying the growing patterns of Emperor penguins.  The researcher uses the equation y = 6.8x + 3 to model the height, y , in centimeters (cm), of an average Emperor penguin x weeks after birth. Select all that is true.

• The penguins increase at a height of 6.8 per week.

• Penguin's increase at a height of 3 per week

• On average penguins are born at 3 cm

• On average penguins are born at 6.8 cm.

Tags

CCSS.HSF.LE.B.5

What relationship is shown in the scatter plot?

• As the cost goes down, the number sold goes down.

• As the cost goes up, the number sold goes down.

• As the cost goes down, the number sold remains the same.

• There is not relationship between cost and the number sold.

Tags

CCSS.HSF-LE.A.1B