Question: The three categories of Statistical Quality Control include all the following except: A. Descriptive statistics B. Predictive statistics C. Acceptance sampling D. Statistical process control

The three categories of Statistical Quality Control include all the following except:

A. Descriptive statistics

B. Predictive statistics

C. Acceptance sampling

D. Statistical process control (SPC)

Acceptance sampling is a statistical measure used in quality control. It allows a company to determine the quality of a batch of products by selecting a specified number for testing. An acceptance sampling plan needs to identify the criteria for acceptance or rejection. Which of the following factor will not affect such criteria?

A. Production batch size

B. How many are sampled from the batch

C. Level of confidence we hope to attain

D. When the sampling is done

Which of the following is not an assignable cause?

A. Poor batch of raw material

B. Operator falls asleep

C. Machine malfunction

D. Poor design

E. All are assignable causes

Why do businesses need to reduce process variations?

A. To improve customer satisfaction

B. To improve relationships with suppliers

C. To reduce production cost

D. To improve employee satisfaction

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