Fifteen Samples of Size 10 Are Taken from a Stable

question 30

Multiple Choice

Fifteen samples of size 10 are taken from a stable process.The average of the sample means is 32.8,and the average range of the samples is 1.5.What is the upper control limit for the R chart? Use the information contained in the attached chart.

• A)1.777
• B)1.653
• C)2.666
• D)2.480

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Definitions:

Process

A series of actions or steps taken in order to achieve a particular end.

13-Inch Rolls

A specification often used in industries such as printing or paper manufacturing, referring to the width of rolls of material.

Constraint

A limitation or restriction within a process or system.

Cutting Pattern

In manufacturing, the arrangement or plan for how parts will be cut from a material to minimize waste and maximize efficiency.