A Test Was Made Of $H _ { 0 } : \mu _ { 1 } = \mu _ { 2 } \text { versus } H _ { 1 } : \mu _ { 1 } < \mu _ { 2 }$

question 21

Multiple Choice

A test was made of $H _ { 0 } : \mu _ { 1 } = \mu _ { 2 } \text { versus } H _ { 1 } : \mu _ { 1 } < \mu _ { 2 }$ The sample means $\bar { x } _ { 1 } = 7$ and $\bar { x } _ { 2 } = 13$ the sample standard deviations were $s _ { 1 } = 7 \text { and } s _ { 2 } = 5$ and the sample sizes
were $n _ { 1 } = 18 \text { and } n _ { 2 } = 16$
Compute the value of the test statistic.

• A) -0.697
• B) -4.067
• C) -7.164
• D) -2.899

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Definitions:

Marketing of Services

Strategies and approaches used to promote and sell non-tangible products, such as banking, cleaning, or educational services.

Sustainable Competitive Advantage

A unique advantage that allows a company to outperform its competitors over a long period.

Heterogeneous

Consisting of elements or parts that are different from each other; diverse in character or content.

Procedural Fairness

Refers to the customer’s perception of the fairness of the process used to resolve complaints about service.