Find the Coefficient of Variation for Each of the Two $\begin{array} { l l l l l l l } \text { Automated Menu: } 11.7 & 7.4 & 3.9 & 2.9 & 9.2 & 6.3 & 5.5 \end{array}$

question 86

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. $\begin{array} { l l l l l l l } \text { Automated Menu: } 11.7 & 7.4 & 3.9 & 2.9 & 9.2 & 6.3 & 5.5 \end{array}$
$\begin{array} { l l l l l l l l l } \text { Live agent: } & 6.2 & 2.9 & 4.4 & 4.1 & 3.4 & 5.2 & 3.7 \end{array}$

• A) Automated Menu: \(45.4 \%\)
• Live agent: 26.3\%
• There is substantially more variation in the times for the automated menu system.
• B) Automated Menu: 25.2\%
• Live agent: \(41.5 \%\)
• There is substantially more variation in the times for the live agent.
• C) Automated Menu: \(47.1 \%\)
• Live agent: 27.3\%
• There is substantially more variation in the times for the automated menu system.
• D) Automated Menu: \(48.8 \%\)
• Live agent: 28.3\%
• There is substantially more variation in the times for the automated menu system.

Recognize the role of different brain regions and neurotransmitters in emotion and emotional disorders.

Differentiate between various theories of emotion.

Identify the prevalence and impact of eating disorders and obesity.

Comprehend the physiological and neural bases of emotion.

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Definitions:

Collusion

A secret or illegal agreement or cooperation between parties to limit competition and manipulate prices or market conditions in their favor.

Allocative Efficiency

Refers to a situation in which the resources in an economy are distributed according to consumer preferences, ensuring that goods are produced in the quantities exactly matching consumer desires.

Unit Costs

Unit costs refer to the cost incurred to produce, store, or acquire one unit of a product or service.

Kinked-Demand Curve Model

An economic theory suggesting that in oligopolistic markets, companies may not change their prices because the demand curve is more elastic for price increases and less elastic for price decreases.