In SPC, the Distribution of Sample Means

question 192

Multiple Choice

In SPC, the distribution of sample means:

• A) can be approximated by the normal distribution.
• B) will have greater variability than the process distribution.
• C) will always have a mean greater than the process distribution because of the sample size.
• D) cannot be used for control charts because the variability is understated.

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Definitions:

Demand Curve

A graphical representation showing the relationship between the quantity of a good consumers are willing to buy and its price.

Demand Function

A mathematical representation that describes the relationship between the quantity of a good demanded and its price, among other variables.

Inverse Demand Function

A representation of demand that expresses price as a function of quantity, rather than the conventional demand function which expresses quantity demanded as a function of price.

Price Elasticity

Measures the responsiveness of quantity demanded or supplied to a change in price.