Added aggregate report to the end to give the total number of people in the study, and the average height, weight, BMI and BMI level in this study:

2013-06-09 17:09:50.112 BodyMassIndex[7717:303] Aggregate study results:
2013-06-09 17:09:50.112 BodyMassIndex[7717:303] - Number of people  : 6
2013-06-09 17:09:50.113 BodyMassIndex[7717:303] - Average height    : 5'5"
2013-06-09 17:09:50.113 BodyMassIndex[7717:303] - Average weight    : 165 lbs
2013-06-09 17:09:50.114 BodyMassIndex[7717:303] - Average BMI       : 25.7
2013-06-09 17:09:50.114 BodyMassIndex[7717:303] - Average BMI Level : Overweight
Repeated Week 1, Exercise 5 into my own version of the BMI app.