The Advanced Placement Statistics examination was first administered in May 1997. Students' papers are graded on a scale
of 1 to 5, with 5 being the highest score. Over 7600 students took the exam the first year, with the following distribution of
scores.

A sample of students who took the exam had the following distribution of grades:

Is the distribution of scores for this sample significantly different from the distribution of scores for all students who took
the inaugural exam?