$\text { True or false, for a } \chi ^ { 2 } \text {-curve with } 18 \text { degrees of freedom, } \chi _ { 0.95 } ^ { 2 } = - \chi _ { 0.05 } ^ { 2 } ?$

Name: $\text { True or false, for a } \chi ^ { 2 } \text {-curve with } 18 \text { degrees of freedom, } \chi _ { 0.95 } ^ { 2 } = - \chi _ { 0.05 } ^ { 2 } ?$
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Question

Quizplus · Accepted Answer

The chi-square distribution is not symmetric, so $\chi _ { 0.95 } ^ { 2 }$ and $-\chi _ { 0.05 } ^ { 2 }$ are not equal; the negative sign does not apply to chi-square values.