Test Hypotheses Regarding Two Population Standard Deviations
-A Local Supermarket $\alpha = 0.05$

question 48

Short Answer

Test Hypotheses Regarding Two Population Standard Deviations
-A local supermarket claims that the variance of waiting time for its customers to be served is the lowest in the area. A competitor supermarket checks the waiting time at both supermarkets. The sample statistics are listed below. Test the local bank's hypothesis. Use $\alpha = 0.05$ .


Assume the samples were randomly selected from normal populations.

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Definitions:

Etiology

The study of the causes or origins of diseases.

Normal Behavior

Refers to actions or reactions that are typical or expected within a specific society or culture.

Abnormal Behavior

Actions, thoughts, or feelings that are typically considered to deviate significantly from norms or expectations of society.

Criteria

Standards, rules, or tests by which people or things are judged or evaluated.