A set of n = 5 pairs of X and Y values has SSX = 16, SSY = 4 and ...

[jman1234]

A set of n = 5 pairs of X and Y values has SSX = 16, SSY = 4 and SP = 2. For these data, the Pearson correlation is ____.
 
  A) r = 2/64
  B) r = 2/8
  C) r = 8/8
  D) r = 64/8

Question 2

If random samples, each with n = 36 scores, are selected from a normal population with  = 80 and  = 18, how much difference, on average, should there be between a sample mean and the population mean?
 
  A) 2 points
  B) 3 points
  C) 6 points
  D) 18 points

[maaaaaaaaaa]

Answer to Question 1

B

Answer to Question 2

B