Quiz

A recent study was done to that looked at global concentrations of CO2 in the atmosphere and global average temperature.  After collecting the 10 data points, the researchers found a correlation of r = 0.95.

1. Sketch a possible scatter diagram that has this correlation.
    
2. The researcher reported, "The data clearly shows that higher concentrations of CO2 in the atmosphere is causing the global average temperature to increase."  Comment on the validity of the researcher's statement.