Totals	2004	2005
Question 1	25.00%	22.77%	disk drive		logical implication
Question 2	77.22%	70.94%	film rentals		reading a graph
Question 3	46.84%	44.28%	currency exchange		linear equations, unit of measure
Question 4	83.54%	86.21%	shirt price		percentages
Question 5	78.48%	86.21%	rising pollution		exponential language
Sample Size	80	203
	In question 1, the most popular answer indicated "a->b, b, thererfore a"						69.80%
	In question 3, the most popular answer indicated cents were not converted to dollars							51.74%