Author Question: If you are testing to see if a weight loss program is working, and you subtract the weights after - ... (Read 68 times)

naturalchemist · **on:** Jun 24, 2018

If you are testing to see if a weight loss program is working, and you subtract the weights after - before for a group of 10 people, the alternative hypothesis is that the mean difference is ___________________ _ 0.
Fill in the blank(s) with correct word

Question 2

The number of four-period centered moving averages of a time series with 20 time periods is:
a. 16 c. 24
b. 20 d. 28