Finding Trends with Scatter Plots

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

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

• A

• B

• C

• D

As x increases, y increases

• correlation coefficient

• causation

• positive correlation

• negative correlation

What can be inferred from a scatter plot where the points decrease in value as they move from left to right?

• The variables have a strong positive correlation

• The variables have a strong negative correlation

• The variables have no correlation

• The variables have a perfect correlation

What does a scatter plot with a cluster of points at the lower left and upper right corners indicate?

• A strong positive correlation

• A strong negative correlation

• No correlation

• A weak positive correlation

What does a scatter plot with points closely following a line going upwards from left to right indicate?

• A strong negative correlation

• No correlation

• A strong positive correlation

• A weak positive correlation

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.

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