The researcher was concerned about whether each maid BMI changed over the four-week study. Here are the results of a test performed using technology: Mean of Paired Differences=0.2068t-Statistic=3.853 w/72 dfP=0.0003 Using the proper notation, how would you write the null hypothesis tested? 1. H0:y¯Beginning=y¯End 2. H0:y¯Beginning’y¯End=0 3. H0:d¯BeginningEnd=0 4. H0:μBeginning−μEnd=0 5. H0:μd=0
