07. Quizzes On Scatter Plots

Check Your Scatterplot Skills

Use the scatterplot between Temp and Sales to solve the matching quiz.

QUIZ QUESTION: :

Match each term to the description that applies for the above scatterplot.

ANSWER CHOICES:



Term

Description

Close to 0

Strong

Close to 1

Weak

Moderate

Positive (Direct)

Close to -1

Negative (Indirect)

SOLUTION:

Term

Description

Strong

Close to 1

Positive (Direct)

Check Your Scatterplot Skills (Part II)

Use the scatterplot between car weight and miles per gallon to solve the matching quiz. Again, you can download the data here .

QUIZ QUESTION: :

Match each term to the description that applies for the above scatterplot.

ANSWER CHOICES:



Term

Description

0.67

-0.67

Positive (Direct)

Strong

Moderate

Negative (Indirect)

Weak

0

SOLUTION:

Term

Description

-0.67

Moderate

Negative (Indirect)

Check Your Scatterplot Skills (Part III)

Use the scatterplots for the three datasets below to answer the following quiz. Again, you can download the data here .

QUIZ QUESTION: :

For the above scatterplots, match the plot to the corresponding correlation coefficient.

ANSWER CHOICES:



Scatter plot

Correlation Coefficient (r) Value

0.5

0.0

1.0

Both 1.0 and -1.0

1.0

-1.0

-0.5

-1.0

SOLUTION:

Scatter plot

Correlation Coefficient (r) Value

0.0

1.0

1.0

-1.0

-1.0