Use a Kruskal-Wallis Test to Test the Claim That the Samples

question 83

Multiple Choice

Use a Kruskal-Wallis test to test the claim that the samples come from populations with equal medians. SAT scores for students selected randomly from three different schools are shown
Below. Use a significance level of 0.05 to test the claim that the students from the three
Schools had the same median SAT score. $\begin{array} { c c c | c c c | c c c } { \text { School 1 } } &&& { \text { School 2 } } &&& { \text { School 3 } } \\\hline 550 & 480 & 670 & 460 & 580 & 620 & 500 & 620 & 700 \\400 & 600 & 520 & 380 & 600 & 470 & 450 & 550 & 760\end{array}$

What would be the value of $R _ { 1 }$ that would be used in finding $H$ ?

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Definitions:

Wrong

Incorrect or false; not in accordance with established facts, truth, or morality.

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Information, understanding, or skill that one gains through education, experience, or training.

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Acquired abilities or expertise in specific activities, often developed through practice and education.

Abilities

The physical and mental capacities that enable an individual to perform tasks or engage in activities.