Apply the Kruskal-Wallis Test to Determine If There Is Enough

Essay

Apply the Kruskal-Wallis test to determine if there is enough evidence at the 5% significance level to infer that at least one of the population medians differs from the others. $$\begin{array}{l}\text { Sample }\\\begin{array} { | c | c | c | } \hline \mathbf { 1 } & \mathbf { 2 } & \mathbf { 3 } \\\hline 23 & 25 & 25 \\22 & 27 & 22 \\25 & 17 & 19 \\20 & 19 & 21 \\18 & 20 & 26 \\\hline\end{array}\end{array}$$ H₀: ______________________________________
H₁: ______________________________________
Test statistic = ____________________
Critical Value = ____________________
Conclusion: ________________________________
Interpretation: _________________________________________________________