A) 6571 and 23

Multiple Choice

$$\text { Find the critical values, } \chi _ { 1 } ^ { 2 } - \alpha / 2 \text { and } \chi _ { \alpha / 2 } ^ { 2 } \text {, for } 90 \% \text { confidence and } \mathrm { n } = 15 \text {. }$$

A) 6.571 and 23.685
B) 4.075 and 31.319
C) 4.660 and 29.131
D) 5.629 and 26.119