A Quality Analyst Wants to Construct a Control Chart for Determining

question 28

Multiple Choice

A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results: $$\begin{array} { c c c c c } \text { Machine } &&{ \text { Measurements } } \\\hline \# 1 & 17 & 15 & 15 & 17 \\\# 2 & 16 & 25 & 18 & 25 \\\# 3 & 23 & 24 & 23 & 22\end{array}$$
For upper and lower control limits of 23.29 and 16.71, which machine(s) , if any, appear(s) to have an out-of-control process mean?

• A) machine #1
• B) machine #2
• C) machine #3
• D) all of the machines
• E) none of the machines

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Definitions:

Product Cost

The total expenses incurred to produce a product or service, including direct materials, labor, and manufacturing overhead costs.

Per Unit

Per unit refers to expressing measures, costs, or prices for individual items or quantities of items.

Absorption Costing

This accounting system ensures the inclusion of all manufacturing-related expenses, such as direct materials, direct labor, and both variable and fixed overheads, into the cost of producing a product.

Variable Costing

An accounting technique that incorporates just the variable costs of production (such as direct materials, direct labor, and variable manufacturing overhead) into the costs of products.