Use Minitab to Perform a Kruskal-Wallis Test Using the P-Value

question 7

Essay

Use Minitab to perform a Kruskal-Wallis test using the P-value approach.
-The table below shows the lifetimes (in hours)of random samples of light bulbs of three different brands. At the 0.01 significance level, do the data provide sufficient evidence to conclude that a difference exists between the three population means? $$\begin{array} { l | l | l } \text { Brand A } & \text { Brand B } & \text { Brand C } \\ \hline 190 & 182 & 203 \\ 220 & 170 & 210 \\ 230 & 203 & 199 \\ 215 & 175 & 200 \\ 224 & 178 & 196 \\ 231 & 181 & 197 \end{array}$$

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