In a Friedman Test for Comparing Four Populations,provided That There

question 33

Multiple Choice

In a Friedman test for comparing four populations,provided that there as eight blocks,the test statistic is calculated as F_r = 10.98.If the test is conducted at the 5% significance level,the conclusion and p-value will be:

• A)reject the null hypothesis,and 0.01 < p-value < 0.025.
• B)reject the null hypothesis,and p-value > 0.025.
• C)do not reject the null hypothesis,and 0.025 < p-value < 0.05.
• D)do not reject the null hypothesis,and p-value > 0.05.

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Definitions:

Probability

The measure of the likelihood that an event will occur, quantified as a number between 0 and 1, with 1 indicating certainty.

Tree Diagram

A diagram used to show the total number of possible outcomes in a probability experiment.

Simple Events

A simple event is an outcome or event that cannot be further broken down into simpler components within the context of a probability experiment.

Experiment

A carefully controlled procedure undertaken to discover, test, or demonstrate a hypothesis or the effects of one variable on another.