SCENARIO 10-13
the Amount of Time Required to Reach a Customer

question 83

Multiple Choice

SCENARIO 10-13
The amount of time required to reach a customer service representative has a huge impact on customer satisfaction.Below is the Excel output from a study to see whether there is evidence of a difference in the mean amounts of time required to reach a customer service representative between two hotels.Assume that the population variances in the amount of time for the two hotels are not equal.
t-Test: Two-Sample Assuming Unequal Variances

Two-Sample Tests 10-41
-Referring to Scenario 10-13,state the null and alternative hypotheses for testing if there is evidence of a difference in the variabilities of the amount of time required to reach a customer service representative between the two hotels.

• A)H :\(\sigma\) ² - \(\sigma\) ² \(\ge\)0 0 versus H : \(\sigma\) ² - \(\sigma\) ² \(\lt\) 0 0 I II 1 I II
• B)H :\(\sigma\) ² - \(\sigma\)² \(\le\) 0 versus H : \(\sigma\)² - \(\sigma\) ² \(\gt\) 0 0 I II 1 I II
• C)H :\(\sigma\)² - \(\sigma\) ² = 0 versus H : \(\sigma\) ² - \(\sigma\) ² \(\neq\) 0 0 I II 1 I II ^d) H :\(\sigma\)² - \(\sigma\) ² = 0 versus H : \(\sigma\)² - \(\sigma\) ² = 0 0 I II

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Definitions:

Police Error

A mistake made by law enforcement officers during the performance of their duties, which can affect the outcome of investigations or judicial proceedings.

Trespass To Land

The entry onto, above, or below the surface of land owned by another without the owner’s permission or legal authorization.

Property Owner

An individual or entity that legally possesses ownership rights over a certain property or piece of land.

Permission

Authorization given by a competent authority to do something that could otherwise be illegal or against the rules.