Before lunch	After lunch
11	13
6	4
5	8
9	9
10	6

Is the "food coma" a real thing? Below are before/after data on energy level with higher scores indicating greater energy. In the before condition, participants were asked to rate their level of energy. They then had lunch and were asked to measure their energy level after eating.

Test for a significant mean difference and report your results in APA format (as we have been all semester in class)