Conduct a Tukey Multiple Comparison

question 66

Essay

Conduct a Tukey multiple comparison. Display the confidence intervals in a table. State which population means can bedeclared different.
-Perform a Tukey multiple comparison to compare the lifetimes of flashlight batteries of three different brands. Use a family confidence level of 0.95. Independent random samples of batteries of the three different brands yielded the following lifetimes in hours. $$\begin{array} { c | c | c } \text { Brand A } & \text { Brand B } & \text { Brand C } \\ \hline 38 & 32 & 24 \\ 36 & 27 & 25 \\ 31 & 28 & 29 \\ 42 & & 26 \\ 29 & & \end{array}$$