A Quality Analyst Wants to Construct a Control Chart for Determining

question 51

Multiple Choice

A Quality Analyst wants to construct a control chart for determining whether four machines,all producing the same product,are under 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: What is the estimate of the standard deviation of the sampling distribution of the sample proportion based on the samples for these four machines?

• A).016
• B).00016
• C).04
• D).0044
• E).00002

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