Scatterplot, Correlation/Line of Best Fit

Scatterplot, Correlation/Line of Best Fit

Presentation

•

Mathematics

•

•

Easy

•

CCSS

HSS.ID.B.5, HSF-LE.A.1B, HSS.ID.C.9

+6

Standards-aligned

Colleen Skerry

Used 9+ times

FREE Resource

12 Slides • 32 Questions

1

Scatter Plots and Correlation

2

Definition

A scatter plot is a graph with points plotted to show a potential relationship between two sets of data.

3

Correlation is a fancy way to describe the relationship between two variables.

4

Multiple Choice

Question image

Can you guess the correlation?

1

positive

2

negative

3

none

5

Multiple Choice

Question image

Can you guess the correlation?

1

positive

2

negative

3

none

6

Multiple Choice

Question image

Can you guess the correlation?

1

positive

2

negative

3

none

7

Multiple Choice

Question image

Guess the correlation between the variables:

1

positive

2

negative

3

none

8

Multiple Choice

Question image

Guess the correlation between the variables:

1

positive

2

negative

3

none

9

Multiple Choice

Question image

Guess the correlation between the variables:

1

positive

2

negative

3

none

10

Multiple Choice

Question image

Guess the correlation between the variables:

1

positive

2

negative

3

none

11

Multiple Choice

Question image

Guess the correlation between the variables:

1

positive

2

negative

3

none

12

Multiple Choice

Question image

Guess the correlation between the variables:

1

positive

2

negative

3

none

13

Multiple Choice

Question image

Guess the correlation between the variables:

1

positive

2

negative

3

none

14

Outliers	Clusters
An outlier is a data point in a scatter plot that does not follow the trend of the data.	A group of data points that are closely grouped together.

outlier

cluster

15

16

Multiple Choice

Question image

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

1

positive: the further you run the further you jump

2

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

3

positive: the further your running start the less your distance

17

Multiple Choice

Question image

What type of association does this scatter plot show?

1

positive linear association

2

negative linear association

3

no association

4

nonlinear association

18

Multiple Choice

If a scatterplot has no association then...

1

...it has no ordered pairs

2

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

3

...its ordered pairs have no predictable pattern

4

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

19

Multiple Choice

Question image

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

1

A

2

B

3

C

4

D

20

Multiple Choice

Question image

What is the correlation?

1

Negative correlation

2

No correlation

3

Positive correlation

4

All of the above

21

22

23

24

25

26

27

28

Multiple Choice

Question image

Determine the correlation.

1

positive

2

negative

3

no correlation

29

Multiple Choice

Question image

1

positive

2

negative

3

no correlation

30

Multiple Choice

Question image

Determine the correlation.

1

positive

2

negative

3

no correlation

31

Multiple Choice

Question image

Does the plot show a positive trend, negative trend, or no trend?

1

positive trend

2

negative trend

3

no trend

32

Multiple Choice

Question image

What type of relationship does this scatter plot show?

1

Negative linear relationship

2

Positive linear relationship

3

No relationship

4

Nonlinear relationship

33

Multiple Choice

Question image

What type of correlation does this scatter plot show?

1

positive linear association

2

negative linear association

3

no association

4

nonlinear association

34

Multiple Choice

The number of notebooks bought and the total cost.

1

positive association

2

negative association

3

no association

35

Multiple Choice

The number of siblings you have and your weight.

1

Positive correlation

2

Negative correlation

3

No correlation

4

All of the above

36

Multiple Choice

The age of a kitten and its weight.

1

positive association

2

negative association

3

no association

37

Multiple Choice

In a scatterplot, an outlier...

1

...is something we didn't learn 8th grade

2

...is a puppet with a long nose named Pinocchio

3

...is a point that is far outside the main cluster of points/ordered pairs

4

...is a really naughty point who doesn't tell the truth when outside

38

Multiple Choice

As x increases, y increases

1

correlation coefficient

2

causation

3

positive correlation

4

negative correlation

39

Multiple Choice

Question image

What type of association does this graph have?

1

positive

2

negative

3

none

4

all of the above

40

Multiple Choice

As x increases, y increases

1

correlation coefficient

2

causation

3

positive correlation

4

negative correlation

41

Multiple Choice

Question image

What is the correlation?

1

Negative correlation

2

No correlation

3

Positive correlation

4

All of the above

42

Multiple Choice

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

1

As x increases, y decreases

2

As x increases, y increases

3

As x decreases, y decreases

43

Multiple Choice

Question image

What represents the x axis?

1

ABC Company

2

Hours Worked

3

Amount Earned in Dollars

4

Hours in Car

44

Multiple Choice

Question image

What represents the y axis?

1

ABC Company

2

Hours Worked

3

Amount Earned in Dollars

4

Hours in Car

pattern-tertiary

Scatter Plots and Correlation

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