Random Samples of Four Items Are Selected from a Manufacturing

question 49

Multiple Choice

Random samples of four items are selected from a manufacturing process at regular intervals and a certain quality characteristic is measured. After 25 samples,ΣX = 15,350 and ΣR = 411.4 The measurement of quality is based on ________.

• A)an attribute
• B)a variable
• C)a scale
• D)a chart

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