The degrees of freedom for a test of the mean of the paired ...

[ssal]

The degrees of freedom for a test of the mean of the paired differences is the number of ___________________ _ minus ___________________ _.
 Fill in the blank(s) with correct word

Question 2

We calculate the three-period moving averages for a time series for all time periods except the:
 a. first period c. first and last period
  b. last period d. first and last two periods

[bubulittle310@msn.cn]

Answer to Question 1

pairs; 1
pairs; one

Answer to Question 2

C