The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

The more books students read, the higher their English grade.

The more books students read, the lower their English grade.

The fewer books students read, the higher their English grade.

No relationship exists between the number of books students read and their English grades.

The slope of the trend line is − 5 7 \frac{-5}{7} 7 − 5 What does that mean?

lose 5 hours of sleep for 7 cups of coffee

gain 5 hour 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

gain 7 cups of coffee for every 5 hours of sleep

Which of the following could be the equation of the trend line for this graph?

y = − 3 x + 12 y=-3x+12 y = − 3 x + 1 2

y = 10 x − 15 y=10x\ -\ 15 y = 1 0 x − 1 5

y = 1 2 x + 11 y=\frac{1}{2}x+11 y = 2 1 x + 1 1

y = − 4 3 x y=-\frac{4}{3}x y = − 3 4 x

There is no trend line because there is no association

Which equation could be a trend line for this graph?

y = − 2 x + 5 y=-2x+5 y = − 2 x + 5

There is no trend line because there is no association

What is the slope of this trend line?

− 10 3 -\frac{10}{3} − 3 1 0

− 70 3 \frac{-70}{3} 3 − 7 0

Scatterplots & Trend Lines

Authored by Jennifer Alvarez

Mathematics

8th Grade

CCSS covered

Used 496+ times

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the type of association?

Negative

no association

positive

Tags

CCSS.HSF-LE.A.1B

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correlation between length of running start and distance of jump?

positive: the further you run the further you jump

negative: the less you run the less distance of your jump

positive: the further your running start the less your distance

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of correlation would you likely see with:

The amount of time spent working compared to the amount of money earned

positive correlation

negative correlation

no correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which line appears to fit the data better?

line A

line B

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which scatterplot shows a negative relationship?

Tags

CCSS.8.EE.B.5

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Scatterplots & Trend Lines

What is the type of association?

What is the correlation between length of running start and distance of jump?

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

Select the statement that best describes the line.

What type of correlation would you likely see with:

The amount of time spent working compared to the amount of money earned

Which line appears to fit the data better?

Which scatterplot shows a negative relationship?

Which shows a line of best fit?

If m = 8/5 and b = -8/5, what is the equation of the trend line in y= mx + b?

If m = -3/4 and b = 9, what is the equation of the trend line in y= mx + b?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Scatterplots & Trend Lines

What is the type of association?

What is the correlation between length of running start and distance of jump?

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

Select the statement that best describes the line.

What type of correlation would you likely see with:The amount of time spent working compared to the amount of money earned

Which line appears to fit the data better?

Which scatterplot shows a negative relationship?

Which shows a line of best fit?

If m = 8/5 and b = -8/5, what is the equation of the trend line in y= mx + b?

If m = -3/4 and b = 9, what is the equation of the trend line in y= mx + b?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

What type of correlation would you likely see with:

The amount of time spent working compared to the amount of money earned