Chi-Square Critical Values

 $\alpha=0.1,\ n=9$  , right-tailed test

 $\alpha=0.05,\ n=17$  , left-tailed test

 $\alpha=0.01,\ n=24$  , two-tailed test

 $\alpha=0.025,\ n=12$  , left-tailed test

 $\alpha=0.1,\ n=19$  , two-tailed test

 $\alpha=0.005,\ df=5$  , right-tailed test

 $\alpha=0.05,\ df=28$  , two-tailed test

 $\alpha=0.005,\ df=22$  , left-tailed test

 $\alpha=0.01,\ n=27$  , right -tailed test

 $\alpha=0.1,\ df=70,\ left-tailed\ test$