When the number of degrees of freedom is small,the shape of the chi-square distribution is
A) symmetrical.
B) uniform.
C) positively skewed.
D) negatively skewed.
E) normal.

Question

Quizplus · Accepted Answer

When the number of degrees of freedom is small, the shape of the chi-square distribution is positively skewed. This means that there are more extreme values on the right side of the distribution, and fewer extreme values on the left side. As the number of degrees of freedom increases, the distribution becomes more symmetrical and eventually approximates a normal distribution.

When the Number of Degrees of Freedom Is Small,the Shape