Scatter Plot FSA Review

The equation of the line of best fit of a scatter plot is y = 6x − 9. What is the slope of the equation?

• -6

• -9

• 6

• 9

Which graph represents a positive linear association between x and y?

• Graph A
• Graph B

Which graph represents a positive nonlinear association between x and y?

• Graph A

• Graph B

The equation of the line of best fit of a scatter plot is y = −4x − 6. What is the the y-intercept?

• 6

• 4

• -4

• -6

The equation of the line of best fit of a scatter plot is y = −7x − 2. What is the the y-intercept?

• -2

• -7

• 2

• 7

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

• A
• B
• C
• D

Select the statement that best describes the line.

• The line is the line of best fit.
• The line is NOT a line of best fit because it does not pass through two points.
• The line is NOT a line of best fit because it does not go through the middle of the data set.
• The line is NOT a line of best fit because it does not go through the origin.

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

• A
• B
• C
• D

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

• A
• B
• C
• D

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

• Yes

• No