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

question 69

Short Answer

Write the word or phrase that best completes each statement or answers the question.
-The grade point averages of students participating in extracurricular activities at a college are to be compared. The data are listed below. Use the Kruskal-Wallis test to test the hypothesis that there is no difference in the distribution of the populations. Use $\alpha = 0.05$ .
$\begin{array}{c|c|c}\text { Sports } & \text { Community Service } & \text { Religion Club } \\\hline 3.6 & 2.2 & 3.1 \\3 & 2.5 & 3.4 \\2.9 & 3.7 & 3.2 \\3.9 & 2.3 & 2.9 \\3.5 & 2.7 & 2.9 \\2.5 & 2.4 & 2.8\end{array}$

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Definitions:

Phosphorus

A chemical element (P) that is essential for the formation of DNA, RNA, and ATP, playing a critical role in energy storage and transfer within cells.

Nitrification

A microbial process by which ammonia is converted into nitrate, an important step in the nitrogen cycle.

Ammonium

A positively charged ion (NH4+) formed by the addition of a hydrogen ion to ammonia (NH3).

Nitrates

Salts or esters of nitric acid, containing the NO3- ion, commonly used in fertilizers.