If the Pearson correlation is calculated for a sample of n = 20 ...

[lbcchick]

If the Pearson correlation is calculated for a sample of n = 20 individuals, what value for df should be used to determine whether or not the correlation is significant?
 
  A) 18
  B) 19
  C) 20
  D) 21

Question 2

For a particular population, a sample of n = 9 scores has a standard error of 8. For the same population, a sample of n = 16 scores would have a standard error of ____.
 
  A) 8
  B) 6
  C) 4
  D) 2

[jennafosdick]

Answer to Question 1

A

Answer to Question 2

B