Test Hypotheses About a Population Proportion
-Test the Claim That $\sigma ^ { 2 } = 34.4$

Short Answer

Test Hypotheses about a Population Proportion
-Test the claim that $\sigma ^ { 2 } = 34.4$ if $\mathrm { n } = 12 , \mathrm {~s} ^ { 2 } = 28.8$ and $\alpha = 0.05$ . Assume that the population is normally distributed.