Adjusting for changes in the value of the dollar
In Example 6.9 (page 373), we found that the average student debt has risen between 1997 to 2002. In computing the difference, we did not adjust for differing values of the dollar. Using the fact that $1 in 1997 was worth approximately $1.12 in 2002, redo the test based on 2002 dollars. For simplicity, assume the standard deviation is unchanged.