Finding Lines of Best Fit with Correlations

Based on the trend line, about how many guests should be expected if the temperature is around 80 degrees?

• 8,300

• 7,300

• 8

• 9,300

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

Predict the grade of a student that has 7 absences.

• 50

• 45

• 70

• 60

What is the best prediction for the number of candies in the jar when 30 students visit her?

• 90

• 180

• 135

• 150

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

• Yes

• No

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 line would be the line of best fit?

• Green line (C)

• Orange line (B)

• Purple line (A)

• None of them

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