A) 3816 and 21

Multiple Choice

$$\text { Find the critical values, } \chi _ { 1 } ^ { 2 } - \alpha / 2 \text { and } \chi _ { \alpha / 2 } ^ { 2 } \text {, for } 95 \% \text { confidence and } \mathrm { n } = 12$$

A) 3.816 and 21.920
B) 3.053 and 24.725
C) 4.575 and 26.757
D) 2.603 and 19.675