Scatterplot A is the graph on the left. Scatterplot B is the graph on the right. Select all the TRUE statements about the Scatterplots.

Scatterplot A (left), has a greater correlation coefficient than Scatterplot B (right).

Both scatterplots have a positive correlation.

Scatterplot B has a stronger correlation than Scatterplot A.

If Scatterplot B has r = 0.352, then Scatterplot A has to have a correlation coefficient less than 0.352.

What would be the equation for the line of best fit?

y = − 3 4 x + 9 y=-\frac{3}{4}x+9 y = − 4 3 x + 9

y = 3 4 x + 9 y=\frac{3}{4}x+9 y = 4 3 x + 9

y = − 1 2 x + 9 y=-\frac{1}{2}x+9 y = − 2 1 x + 9

y = − 3 4 x − 9 y=-\frac{3}{4}x-9 y = − 4 3 x − 9

If a scatterplot has no association then...

...its ordered pairs have no predictable pattern

...it has ordered pairs that have a negative pattern

...if it makes a lion on a graph (roar!)

The scatter plot shows the number coffee shops in different cities and the number of violent crimes. Which of the following is NOT true?

An increase in coffee shops causes an increase in violent crimes

As the number of coffee shops increase, violent crimes appear to increase.

The line of best fit shows a positive correlation.

The data could have a correlation coefficient of r = +0.472 .

Which example shows CORRELATION, not causation ? (The events show correlation, but one thing does NOT cause the other thing to happen.)

Positive Correlation: Outside temperature, x, and the amount of people at the beach, y.

Negative Correlation: minutes water spent over heat source, x, and temperature, y.

Data is analyzed comparing hours studied and grades. It is determined that the correlation coefficient is 0.92. What does this mean?

There is a strong positive correlation between studying and grades.

There is a strong negative correlation between studying and grades.

There is a weak positive correlation between studying and grades.

There is a weak negative correlation between studying and grades.

Data is collected comparing sales of cars and the age of the salesperson. After analyzing the data, it is determined that the correlation coefficient is 0.19. What does this mean?

There is weak positive correlation between sales and age.

There is a strong positive correlation between sales and age.

There is a strong negative correlation between sales and age.

There is a weak negative correlation between sales and age.

Data is collected comparing minutes of exercise each day and blood pressure. It is determined that the correlation coefficient is -0.87. What does this mean?

There is a strong negative correlation between exercise and blood pressure.

There is a weak negative correlation between exercise and blood pressure.

There is a strong positive correlation between exercise and blood pressure.

There is no correlation between exercise and blood pressure.

In Scatterplot A, r = -0.32 In Scatterplot B, r = 0.32 Which Scatterplot has a stronger correlation?

The correlations are equally strong.

Cannot be determined from the information given

Situation A: There is a positive correlation between study time in hours, x, and percent earned on tests, y. Situation B: There is a positive correlation between number of correct answers on a test, x, and percent earned on test, y. Which situation implies causation ?

Although both situations show a positive correlation, causation can not be implied from either situation.

Since both situations show a positive correlation, causation can be implied from both situations.

Correlation, Lines of Best Fit, Causation, Interpolation & Extrapolation

Quiz

•

Mathematics

•

7th - 12th Grade

•

Practice Problem

•

Easy

•

CCSS

HSF-LE.A.1B, 8.EE.B.5, HSS.ID.B.6

Standards-aligned

Karla Ducker

Used 18+ times

FREE Resource

Student preview

38 questions

Show all answers

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

12 chapters

15 chapters

18 chapters

21 chapters

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

About how many male math teachers were there in 2006?

Tags

CCSS.HSF.LE.B.5

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What type of correlation does this scatter plot show?

positive

negative

no correlation

nonlinear association

Tags

CCSS.HSF-LE.A.1B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the type of correlation?

Negative

no correlation

positive

Tags

CCSS.HSF-LE.A.1B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The equation of the trend line is $y=\frac{1}{2}x+1$ , where x represents number of laps and y represents minutes.
How many laps can a bicycle make around the park in 10 minutes?

18 laps

6 laps

22 laps

4 laps

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Use the line of best fit to approximate rate of change relative to the scatter plot above.

7/5

5/7

-7/5

-5/7

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which sentence describes the relationship shown on this scatter plot?

As the temperature decreases, the visitors increase.

As the temperature increases, the number of visitors increases.

As the visitors increase, the temperature decreases.

No correlation

Tags

CCSS.HSF-LE.A.1B

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Correlation, Lines of Best Fit, Causation, Interpolation & Extrapolation

38 questions

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

About how many male math teachers were there in 2006?

What type of correlation does this scatter plot show?

What is the type of correlation?

The equation of the trend line is $y=\frac{1}{2}x+1$ , where x represents number of laps and y represents minutes.
How many laps can a bicycle make around the park in 10 minutes?

Use the line of best fit to approximate rate of change relative to the scatter plot above.

Which sentence describes the relationship shown on this scatter plot?

Which scatterplot below has a correlation coefficient close to r= -0.89?

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

Scatterplot A is the graph on the left. Scatterplot B is the graph on the right. Select all the TRUE statements about the Scatterplots.

Create a free account and access millions of resources

Popular Resources on Wayground

Discover more resources for Mathematics

Correlation, Lines of Best Fit, Causation, Interpolation & Extrapolation

38 questions

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

About how many male math teachers were there in 2006?

What type of correlation does this scatter plot show?

What is the type of correlation?

The equation of the trend line is y=12x+1y=\frac{1}{2}x+1y=21​x+1 , where x represents number of laps and y represents minutes.How many laps can a bicycle make around the park in 10 minutes?

Use the line of best fit to approximate rate of change relative to the scatter plot above.

Which sentence describes the relationship shown on this scatter plot?

Which scatterplot below has a correlation coefficient close to r= -0.89?

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

Scatterplot A is the graph on the left. Scatterplot B is the graph on the right. Select all the TRUE statements about the Scatterplots.

Create a free account and access millions of resources

Popular Resources on Wayground

Discover more resources for Mathematics

The equation of the trend line is $y=\frac{1}{2}x+1$ , where x represents number of laps and y represents minutes.
How many laps can a bicycle make around the park in 10 minutes?