A Quality Analyst Wants to Construct a Control Chart for Determining

question 24

Multiple Choice

A quality analyst wants to construct a control chart for determining whether four machines, all producing the same product, are in control with regard to a particular quality attribute. Accordingly, she inspected 1,000 units of output from each machine in random samples, with the following results

For upper and lower control limits of .026 and .014, which machine(s) , if any, appear(s) to be out-of-control for process proportion of defectives?

• A)machine #3
• B)machine #4
• C)machines #3 and #4
• D)machines #2 and #3
• E)none of the machines

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Definitions:

Demand Schedule

A table that shows the quantity of a good or service that consumers are willing to buy at different prices.

Profit-maximizing

A strategy or approach aimed at achieving the highest possible profit from business operations.

Nondiscriminating Monopolist

A monopolist that charges all consumers the same price for its product, regardless of the market segment or consumer willingness to pay.

Marginal Revenue

The additional income earned from selling one more unit of a good or service.