The number of degrees of freedom associated with the t-test, when ...

[misspop]

The number of degrees of freedom associated with the t-test, when the data are gathered from a matched pairs experiment with 10 pairs, is:
 a. 10
  b. 20
  c. 9
  d. 18

Question 2

Which of the four-time series component is more likely to exhibit the changes in stock market prices at particular times during the course of one day?
 a. Long-term trend c. Seasonal variation
  b. Cyclical variation d. Random variation

[kjo;oj]

Answer to Question 1

C

Answer to Question 2

C

[misspop]

Thanks for the timely response, appreciate it

[xiazhe]

Great answer, keep it coming