Scatter Plots & Correlation

Multiple Choice

What is a scatter plot?

• A graph that shows the relationship of two data sets.

• A graph drawn using rectangular bars to show how large each value is.

• A graph that shows information that is connected in some way.

• A graph that shows data changing over time.

Multiple Choice

What represents the x axis?

• ABC Company
• Hours Worked
• Amount Earned in Dollars
• Hours in Car

Multiple Choice

What represents the y axis?

• ABC Company
• Hours Worked
• Amount Earned in Dollars
• Hours in Car

Multiple Choice

What type of function best fits this scatter plot?

• quadratic

• exponential

• linear

• none of the above

Multiple Choice

What type of function best fits this scatter plot?

• quadratic

• exponential

• linear

• none of the above

Multiple Choice

What type of function best fits this scatter plot?

• quadratic

• exponential

• linear

• none of the above

Multiple Choice

Which function below would be the best fit for this data?

• $$f\left(x\right)=-2x+7$$
  

• $$f\left(x\right)=x^2+8$$

• $$f\left(x\right)=-2^x$$

• $$f\left(x\right)=7x-2$$

Scatter Plots

Correlation

Multiple Choice

What type of association does this graph have?

• positive

• negative

• none

• all of the above

Multiple Choice

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Multiple Choice

What is the correlation?

• Negative correlation

• No correlation

• Positive correlation

• All of the above

Multiple Choice

What type of association does this scatter plot show?

• positive linear association
• negative linear association
• no association
• nonlinear association

Multiple Choice

What type of association does this scatter plot represent?

• positive linear association
• negative linear association
• no association
• nonlinear association

Multiple Choice

Is the point in red an outlier?

• Yes

• No

Multiple Choice

This graph has...

• Clusters

• outliers

Multiple Choice

Identify any outliers.

• Outlier at x = 18

• Outlier at x = 12

• Outlier at x = 6

• There aren't any outliers in this graph.