Question: For the WGTLOSS.xls that was emailed in class on Friday (attached via email):
(note: the column ‘subject’ is the patient identifier)

a) Calculate the following statistics for the pre-weight and the weight loss fields:

c) if have PHStat, draw a boxplot.
if you don’t have PHStat try and draw by hand or other means.

d) Comment on the pre-weight for the subjects in the study

e) Comment on the weight loss result in the study