TABLE 17-4 A Factory Supervisor Is Concerned That the Time It Takes

question 96

Multiple Choice

TABLE 17-4
A factory supervisor is concerned that the time it takes workers to complete an important production task (measured in seconds) is too erratic and adversely affects expected profits.The supervisor proceeds by randomly sampling 5 individuals per hour for a period of 10 hours.The sample mean and range for each hour are listed below.

She also decides that lower and upper specification limit for the critical-to-quality variable should be 10 and 30 seconds, respectively.
-Referring to Table 17-4,suppose the supervisor constructs an chart to see if the process is in-control.What is the center line of the chart?

• A)20.00
• B)20.26
• C)21.00
• D)24.26

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Definitions:

Supply Curve

A visual chart demonstrating the link between a product's price and the amount producers are willing to supply.

Movement

In economics, this can refer to changes in market conditions, such as price movements, or the migration of people or capital between regions or sectors.

Excess Supply

A situation where the quantity of a product offered for sale exceeds the quantity demanded at the current price, often leading to a decrease in price.

Market Equilibrium

Market Equilibrium is the point where the quantity of a good or service supplied equals the quantity demanded, leading to a stable market price.