You first want to determine if, for all NICU patients, there is a significant change in weight.

Specifically, you are interested in determining if there is a change in weight:

• across the entire period (all measurements)
• from birth to 28 days and
• from 28 days to discharge.

What null hypotheses would you test (hint: there are three separate hypotheses you are testing)?

A. There is no change in weight from birth to 28 days.

B. There is no change in weight across the entire period from birth to discharge.

C. There is a significant change in weight across the entire period from birth to discharge.

D. There is no difference in weight change across the entire period between whether the babies met all their nutritional goals.