Equations in Scatter Plots

a graph with points plotted to show a possible relationship between two sets of data

• Trend line

• scatter plot

• slope

• y intercept

Tags

CCSS.HSF-LE.A.1B

Which of the following would be the most accurate equation for the scatter plot?

• y = -2x - 7

• y = -x + 7

• y = 4x + 7

• y = 25x + 7

The graph above shows a line of best fit for data collected on the distance bicyclists have remaining in relation to the amount of time they have been riding.  What is the equation of the line of best fit?

• y = -25x + 170

• y = 25x + 170

• y = -(5/8) x + 170

• y = (5/8) x + 170

Tags

CCSS.8.EE.B.5

Which line is the best line of best fit?

• a

• b

• c

• i don't see any lines

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

• y = -1.5x + 20

• y = -0.5x + 19

• y = x + 20

• y = .7x + 15 

Tags

CCSS.8.EE.B.5

The graph shows a line of best fit for data collected on the amount of income earned by lawn companies in relation to the number of yards mowed.  What is the equation of the line of best fit?

• y = (3/2) x

• y = 30x

• y = 30x + 300

• y = (3/2)x + 300

Tags

CCSS.8.EE.B.5

What is the equation of the line of best fit? Read the units carefully on this one!

• y = 750 x + 9500

• y = - 750 x +11000

• y = (3/4) x + 11

• y = - (3/4) x + 11000

Mrs. Moises, the school counselor, keeps a candy jar in her office for students.  During one week, she kept count of how many students came to visit her and the number of candies in the jar, as show in the scatter plot.  Based on the trend line, what is the best prediction for the number of candies in the jar when 15 students visit her?

• 120

• 180

• 210

• 270

the slope is -5/7, what does that mean?

• gain 5 hour of sleep for 7 cups of coffee

• lose 5 hours of sleep for 7 cups of coffee

• lose 7 cups of coffee for 5 hours of sleep

• lose 5 cups of coffee for 7 hours of sleep

Tags

CCSS.HSF.LE.B.5