A Complete Example of Using Minitab to Work on Several T-test Problems - Minitab Help



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Results From Minitab

\[\begin{array}{cc} & {{H}_{0}}:\text{There }\!\!'\!\!\text{ s no difference in the efficiency} \\ & {{H}_{1}}:\text{There }\!\!'\!\!\text{ s a difference in the efficiency} \\ \end{array}\] \[CI = (1.62742,\text{ 2}\text{.30258)}\] \[\begin{array}{cc} & {{H}_{0}}:\sigma _{F}^{2}=\sigma _{W}^{2} \\ & {{H}_{A}}:\sigma _{F}^{2}\ne \sigma _{W}^{2} \\ \end{array}\]

Results From Levene's Test Using Minitab

\[\begin{array}{cc} & {{H}_{0}}:{{p}_{F}}={{p}_{W}} \\ & {{H}_{A}}:{{p}_{F}}\ne {{p}_{W}} \\ \end{array}\] \[CI = (-0.584551,\text{ -0}\text{.318306)}\]