In general, the variance of the sum of two random variables is ...

[audragclark]

In general, the variance of the sum of two random variables is the sum of their variances.
 
  Indicate whether the statement is true or false

Question 2

To test the validity of a multiple regression model involving three independent variables, the null hypothesis states that:
 
  A) 0 = 1 = 2 = 3
  B) 1 = 2 = 3 = 0
  C) 1 = 2 = 3
  D) 1  2  3

[kjo;oj]

Answer to Question 1

FALSE

Answer to Question 2

B

[audragclark]

Great answer, keep it coming

[gcook]

Thanks for the timely response, appreciate it