A set of n = 15 pairs of X and Y scores has SSX = 10, SSY = 40, ...

[rachel9]

A set of n = 15 pairs of X and Y scores has SSX = 10, SSY = 40, and SP = 30. What is the slope for the regression equation for predicting Y from X?
 
  A) 10/30
  B) 10/40
  C) 40/10
  D) 30/10

Question 2

In order to estimate a population mean with a confidence interval, you first must estimate a range of values for t.
 
  Indicate whether the statement is true or false

[Harbringer]

Answer to Question 1

D

Answer to Question 2

True

[rachel9]

Great answer, keep it coming

[nguyenhoanhat]

Thanks for the timely response, appreciate it