You Want to Test Whether the Population Variance Differs from 50.From

question 31

Multiple Choice

You want to test whether the population variance differs from 50.From a sample of 25 observations drawn from a normally distributed population,you calculate s² = 80.When conducting this test at the 5% significance level,the value of test statistic, is:

• A)5.625
• B)12.401
• C)14.400
• D)39.364

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Definitions:

Environmental Considerations

The influence of the external environment on job design; includes employee ability, availability, and social expectations.

External Environment

Consists of all factors outside an organization that can affect its operations and performance, including economic, legal, technological, and social conditions.

Task Significance

The degree to which a job has a substantial impact on the lives or work of other people, either in the immediate organization or in the external environment.

Ergonomics

The study and design of equipment and workplaces to maximize productivity by reducing operator fatigue and discomfort.