Making Predictions from Scatter Plots with Trend Lines

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

• A

• B

• C

• D

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

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

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

As x increases, y increases

• correlation coefficient

• causation

• positive correlation

• negative correlation

When the data closely resembles a line

• Strong Correlation

• Weak Correlation

• No Correlation

• Correlation

The data slightly resembles a line but is more spread out

• Strong Correlation

• Weak Correlation

• No Correlation

• Correlation

A line drawn in a scatter plot to fit most of the dots and

shows the relationship between the two sets of data

• Association

• Causation

• Line of Best Fit

• Linear Regression

A method used to find the line of best fit.

• Association

• Causation

• Line of Best Fit

• Linear Regression

Make predictions based on values outside the data points

• Interpolation

• Extrapolation

• Correlations Coefficient

• Residual