Scatterplot Basics

Estimate the correlation coefficient for this scatterplot.

• r = -0.9

• r = 1

• r = 0.9

• r = -1

Which with is the line of best fit?

• Black

• Orange

• Red

• Blue

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

What type of association does this graph have?

• positive

• negative

• none

• all of the above

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

What type of association does this scatter plot represent?

• positive linear association

• negative linear association

• no association

• nonlinear association

What type of association does this scatter plot represent?

• positive linear association

• negative association

• no association

• nonlinear association

Pick the best description of the association

• Positive linear weak association with clusters

• Positive linear strong association

• Negative non linear weak association

• positive non linear association

Which statement is the most accurate interpretation of the data?

• As time went by, the temperature tended to decrease

• As time went by the temperature tended to increase

• There is no relationship between time and temperature.