A Quality Analyst Wants to Construct a Sample Mean Chart

question 83

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

What is the standard deviation of the sampling distribution of sample means for whenever this process is in control?

• A)0.1 ounces
• B)0.4 ounces
• C)0.5 ounces
• D)1 ounce
• E)2 ounces

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Definitions:

Planning Budget

A financial plan that forecasts revenues, expenses, and resources over a specific period, aiding in strategic decision-making.

Net Operating Income

Income from operations after all operating expenses have been deducted, but before interest and taxes.

Units

A measure of quantity, often used in the context of production, inventory, or sales.

Static Budget

A budget that is based on a fixed level of output or sales and does not change with the actual level of activity during the period.