Use the Following to Answer Questions

question 69

Short Answer

Use the following to answer questions :
A random sample of 25 elements selected from a population produced a variance equal to 4.959.The null hypothesis is that the population variance is less than or equal to 3.90 and the alternative hypothesis is that the population variance is greater than 3.90.Assume that the population is normally distributed.The significance level is 1%.
-The value of the chi-square test statistic is,rounded to three decimal places:

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Definitions:

Subjects

Individuals or groups who participate in research or are the focus of study.

Closed Questions

Questions designed to elicit a specific, limited response, often "yes" or "no," rather than open-ended discussion.

Pre-test

An initial evaluation or examination conducted before a main test or experiment, used to assess suitability, effectiveness, or gather preliminary data.

Adequate

Sufficient in quantity or quality to meet a certain standard or requirement.