Scatter Plot Review Day 3

Write the equation of the trend line in slope-intercept form.

What is another term for trend line?

• Straight line

• Linear

• Line of Best Fit

How do I determine the y-intercept of the trend line from a graph?

• look where the line crosses the y-axis

• use the slope formula

How do I determine the slope of the trend line from a graph?

• look where the line crosses the y-axis

• use the slope formula

What is the slope - intercept form?

• y = mx + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What type of correlation does this graph have?

• positive 

• negative

• none

• all of the above

What are the coordinates of the outlier?

• (1,9)

• (9,1)

• (2,2)

• y=x

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

• A

• B

• C

• D

Looking at the graph showing a line of best fit, what is the correlation shown?

• Length of life is constant
• Length of life increases as amount of sunlight increases
• Length of life increases as amount of sunlight decreases
• Length of life decreases as amount of sunlight increases