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A Copy Machine Service Company Provides Maintenance and Repair Service

question 36

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A copy machine service company provides maintenance and repair service for different types and brands of copiers. The manager of the repair department wants to know if the repair time for brand A is higher than the repair time for brand B. The manager randomly selected eight repair records associated with brand A and eight repair records associated with brand B. The repair times (in minutes) for both samples are given below. The distribution of repair times for both brand A and brand B is highly skewed. A copy machine service company provides maintenance and repair service for different types and brands of copiers. The manager of the repair department wants to know if the repair time for brand A is higher than the repair time for brand B. The manager randomly selected eight repair records associated with brand A and eight repair records associated with brand B. The repair times (in minutes)  for both samples are given below. The distribution of repair times for both brand A and brand B is highly skewed.   What is the appropriate alternative hypothesis for this problem? A)  H<sub>A</sub>: D<sub>A</sub> is shifted to the left or right of D<sub>B</sub> B)  H<sub>A</sub>: D<sub>A</sub> is shifted to the right of D<sub>B</sub> C)  H<sub>A</sub>: D<sub>A</sub> is shifted to the left of D<sub>B</sub> D)  H<sub>A</sub>: D<sub>A</sub> is equal to D<sub>B</sub> What is the appropriate alternative hypothesis for this problem?


Definitions:

Imprint

A lasting mark or impression, often used in the context of publishing to denote the brand or logo of the publishing house, or in manufacturing to indicate a distinct design.

Order Instrument

A financial document that is payable to a specific person or entity, or their assigns.

Negotiates

The process of discussing something formally to reach an agreement or compromise.

Equity Finance

The method of raising capital through the sale of shares in a company, providing investors ownership interests.

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