Ft. Collins temperature data (Data file: ftcollinstemp) The data file gives the mean temperature in the fall of each year, defined as September 1 to November 30, and the mean temperature in the...

Ft. Collins temperature data (Data file: ftcollinstemp) The data file gives the mean temperature in the fall of each year, defined as September 1 to November 30, and the mean temperature in the following winter, defined as December 1 to the end of February in the following calendar year, in degrees Fahrenheit, for Ft. Collins, CO (Colorado Climate Center, 2012). These data cover the time period from 1900 to 2010. The question of interest is: Does the average fall temperature predict the average winter temperature?