Which of the following statements regarding the chi-squared distribution is true? A)The chi-squared distribution is skewed to the right. B)All values of the chi-squared distribution are greater than or equal to zero. C)The critical region for a goodness-of-fit test with k categories is c ² c ²_{a , k -1}, where c ² is the value of the test statistic. D)All of these choices are true.

Question

Which of the following statements regarding the chi-squared distribution is true? A)The chi-squared distribution is skewed to the right. B)All values of the chi-squared distribution are greater than or equal to zero. C)The critical region for a goodness-of-fit test with k categories is c ² > c ²_{a , k -1}, where c ² is the value of the test statistic. D)All of these choices are true.

Quizplus · Accepted Answer

Each statement about the chi-squared distribution is accurate: it is right-skewed, all its values are non-negative, and the critical region for a goodness-of-fit test is defined in relation to the chi-squared distribution with k-1 degrees of freedom.

Which of the Following Statements Regarding the Chi-Squared Distribution Is