Write the Word or Phrase That Best Completes Each Statement $\alpha = 0.05$

question 63

Short Answer

Write the word or phrase that best completes each statement or answers the question.
-A researcher wishes to determine whether there is a difference in the average age of science, language, and art teachers. Teachers are randomly selected. Their ages are recorded below. Use the Kruskal -Wallis test to test the hypothesis that there is no difference in the distribution of the populations. Use $\alpha = 0.05$ .
$\begin{array}{c|c|c}\text { Science } & \text { Language } & \text { Art } \\\text { Teachers } & \text { Teachers } & \text { Teachers } \\\hline 26 & 39 & 42 \\31 & 44 & 48 \\30 & 41 & 39 \\55 & 50 & 64 \\40 & 45 & 48 \\28 & 34 & 38\end{array}$

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Definitions:

Poisson Distribution

A probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space if these events happen with a known constant mean rate and independently of the time since the last event.

Occurrences

Instances or examples of something happening; events that take place.

Specified Interval

A defined range or period, often set for a particular purpose or task, indicating the precise limits within which something operates or occurs.

Binomial Experiment

An experiment having the four properties stated at the beginning of Section 5.5.