Lines of Best Fit from a Data

Which best describes the association shown in the scatter plot?

• Positive Association

• Negative Association

• No Association

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

• A

• B

• C

• D

What are the coordinates of the outlier?

• (1,9)

• (9,1)

• (2,2)

• y=x

What is the equation of the line of best fit?

• y= 2x

• y=3x+7

• positive trend
• negative trend
• no trend

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

• Graph A

• Graph B

• Graph C

• Graph D

• Positive, strong
• Positive, weak
• Negative, strong
• Negative, weak

• Positive, strong
• Positive, weak
• Negative, strong
• Negative, weak

Which of the following could be a possible line of best fit for the data?

• y = -5/2x + 20

• y = -x + 19

• y = x + 20

• y = 2/3x + 15 

Find the equation of the line of best fit for the given data

• y=163.41x+4.19

• y=-163.41x+4.19

• y=-4.19x+163.41

• y= 4.19x+(-163.41)