Which of the Following Statements Is Not Correct

Short Answer

Which of the following statements is not correct? $\begin{array}{|l|l|}\hline \text { A. } & \text { The chi-squared distribution is symmetrical. } \\\hline \text { B. } & \text { The chi-squared distribution is skewed to the right. } \\\hline \text { C. } & \text { All values of the chi-squared distribution are positive. } \\\hline \text { D. } & \text { The critical region for a goodness-of-fit test with } k \text { categories is } \chi^{2}>\chi_{\alpha, k-1}^{2} . \\\hline\end{array}$