A Quality Analyst Wants to Construct a Control Chart for Determining

question 111

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: $$\begin{array} { c c } \text { Machine } & \text { Total Defectives } \\\hline \# 1 & 23 \\\# 2 & 15 \\\# 3 & 29 \\\# 4 & 13\end{array}$$
What are the control chart upper and lower control limits for an alpha risk of .05?

• A) .0272 and .0128
• B) .0287 and .0113
• C) .029 and .013
• D) .0303 and .0097
• E) .0332 and .0068

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Definitions:

Olfactory Organ

The part of the body's anatomy responsible for detecting smells, primarily the nose and its related structures.

Sense

A faculty by which the body perceives an external stimulus, such as sight, sound, touch, taste, or smell.

Smell

A sensation or perception of odors or scents detected by the olfactory nerves in the nose, contributing to taste and the detection of hazards.

Malleus

The largest of the three bones of the middle ear, also called the hammer.