Scatter Plot Correlation and Line of Best Fit

Which line would be the line of best fit?

• Green line (C)

• Orange line (B)

• Purple line (A)

• None of the above

Tags

CCSS.8.EE.B.5

What type of correlation does this graph display?

• positive

• negative

• no correlation

• all of the above

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 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 would be the equation for the line of best fit?

• y = ³/₄x + 9

• y = -¹/₂x + 9

• y = -³/₄x - 9

• y = -³/₄x + 9

Tags

CCSS.8.EE.B.5

Is this line an accurate line of best fit for the data?

• Yes

• No

Is this line an accurate line of best fit for the data?

• Yes

• No

Tags

CCSS.8.EE.B.5

Which line would be the line of best fit?

• Green line (C)

• Orange line (B)

• Purple line (A)

• None of them

Tags

CCSS.8.EE.B.5

What is the purpose of a line of best fit or a trend line?

• to make predictions

• to make the graph look pretty

• to connect the points

• to make it look like you know what you are doing

What type of correlation does this scatter plot display?

• negative

• no correlation

• positive

• quadratic