Test Hypotheses About a Population Proportion
-Test the Claim That $\sigma ^ { 2 } \geq 12.6$

Short Answer

Test Hypotheses about a Population Proportion
-Test the claim that $\sigma ^ { 2 } \geq 12.6$ if $\mathrm { n } = 15 , \mathrm {~s} ^ { 2 } = 10.5$ , and $\alpha = 0.05$ . Assume that the population is normally distributed.