Find the Coefficient of Variation for Each of the Two $$\begin{array} { l l l l l l l l } \text { Live agent: } & 6.3 & 2.5 & 4.8 & 4.1 & 3.4 & 5.2 & 3.7\end{array}$$

question 127

Multiple Choice

Find the coefficient of variation for each of the two sets of data, then compare the variation. Round results to one
decimal place.
-The customer service department of a phone company is experimenting with two different systems. On Monday they try the first system which is based on an automated menu system. On Tuesday they try the
Second system in which each caller is immediately connected with a live agent. A quality control manager
Selects a sample of seven calls each day. He records the time for each customer to have his or her question
Answered. The times (in minutes) are listed below. $$\begin{array} { l l l l l l l l } \text { Live agent: } & 6.3 & 2.5 & 4.8 & 4.1 & 3.4 & 5.2 & 3.7\end{array}$$

• A)Automated Menu: 43.7% Live agent: 29.4%
• There is substantially more variation in the times for the automated menu system.
• B)Automated Menu: 45.3% Live agent: 30.5%
• There is substantially more variation in the times for the automated menu system.
• C)Automated Menu: 46.9% Live agent: 31.5%
• There is substantially more variation in the times for the automated menu system.
• D)Automated Menu: 24.3% Live agent: 46.2%
• There is substantially more variation in the times for the live agent.

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Definitions:

Critical Path

The longest pathway in a CPM/PERT network.

Liquidity Ratios

Financial metrics used to evaluate a company's ability to pay off its short-term liabilities with its liquid assets.

Current Assets

Financial assets that are expected to be converted into cash, sold, or consumed within one year or within the normal operating cycle of the business, whichever is longer.

Current Liabilities

Short-term financial obligations due within one year or within the company's operating cycle.