Devine+2010+NFA+Averages+by+Period

Average scores by period:


 * Class || Week 1 || Week 2 || Week 3 || Week 4 || Week 5 ||
 * Period 1 || 5.75 || 7.15 || 7.00 ||  ||   ||
 * Period 2 || 4.90 || 5.50 || 4.75 ||  ||   ||

Which class will learn the most?