For a goodness-of-fit chi-square test, the degrees of freedom are ...

[c0205847]

For a goodness-of-fit chi-square test, the degrees of freedom are equal to
 
  a. N  1, where N is the number of observations.
  b. C  1, where C is the number of categories.
  c. NC  1.
  d. (N  1)(C  1).

Question 2

The chi-square distribution is
 
  a. a sampling distribution.
  b. the distribution against which we evaluate chi-square values.
  c. a distribution whose shape varies with the number of degrees of freedom.
  d. all of the above

[anoriega3]

Answer to Question 1

B

Answer to Question 2

D