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.

Question

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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The Answer of 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.

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

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