How do you compute the df value for the chi-square test for ...

[urbanoutfitters]

How do you compute the df value for the chi-square test for independence?
 
  A) df = n - 1
  B) df = n - 2
  C) df = n - C
  D) df = (R-1)(C-1)

Question 2

If other factors are held constant, what is the effect of increasing the sample variance?
 
  A) It will increase the estimated standard error and increase the likelihood of rejecting H0.
  B) It will increase the estimated standard error and decrease the likelihood of rejecting H0.
  C) It will decrease the estimated standard error and increase the likelihood of rejecting H0.
  D) It will decrease the estimated standard error and decrease the likelihood of rejecting H0.

[Jadwiga9]

Answer to Question 1

D

Answer to Question 2

B

[urbanoutfitters]

Excellent

Gracias!