Give two reasons why fitting simple linear regression to the figure in this problem is not likely to be appropriate. Plot log(bigmac2009) versus log(bigmac2003) and explain why this graph is more...

Give two reasons why fitting simple linear regression to the figure in this problem is not likely to be appropriate.

Plot log(bigmac2009) versus log(bigmac2003) and explain why this graph is more sensibly summarized with a linear regression.

Ft. Collins snowfall data (Data file: ftcollinssnow) Verify the t-test for the slope in the Ft. Collins snowfall data given in Section 2.6.2.