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

Question

Quizplus · Accepted Answer

The chi-square distribution is a sampling distribution used to evaluate the goodness of fit between observed and expected data. It is also the distribution against which we evaluate chi-square values in hypothesis testing. Additionally, the shape of the chi-square distribution varies with the number of degrees of freedom, making it a versatile tool in statistical analysis. Therefore, all of the above options are correct.

The Chi-Square Distribution Is