If you are testing to see if a weight loss program is working, ...

[naturalchemist]

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

[trog]

Answer to Question 1

<
less than

Answer to Question 2

A

[naturalchemist]

Thanks for the timely response, appreciate it

[kswal303]

YES! Correct, THANKS for helping me on my review