A Quality Analyst Wants to Construct a Sample Mean Chart

question 52

Multiple Choice

A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that whenever this process is in control, package weight is normally distributed with a mean of 20 ounces and a standard deviation of two ounces. Each day last week, he randomly selected four packages and weighed each: $$\begin{array} { l l c c c } \text { Day } & & { \text { Weight (ounces) } } \\\hline \text { Monday } & 23 & 22 & 23 & 24 \\\text { Tuesday } & 23 & 21 & 19 & 21 \\\text { Wednesday } & 20 & 19 & 20 & 21 \\\text { Thursday } & 18 & 19 & 20 & 19 \\\text { Friday } & 18 & 20 & 22 & 20\end{array}$$
If he uses upper and lower control limits of 22 and 18 ounces, on what day(s) , if any, does this process appear to be out of control?

• A) Monday
• B) Tuesday
• C) Monday and Tuesday
• D) Monday, Tuesday, and Thursday
• E) None

Distinguish between variable costs and fixed costs.

Compute the cost of goods manufactured.

Understand the concept of work in process inventory and how to calculate its ending balance.

Prepare a schedule of cost of goods manufactured.

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Definitions:

Dorsiflex Foot

The action of raising the foot upwards towards the shin, a movement important in walking and balancing.

Body Alignment

The optimal placement of body parts so that the bones and muscles work efficiently, reducing strain and enhancing physical health.

Musculoskeletal System

The organ system that enables humans to move using the muscular and skeletal systems, including bones, muscles, tendons, ligaments, and cartilage.

Nervous System

The network of nerve cells and fibers transmitting signals between different parts of the body.