A Visual Line Fit to Points in a Scatter Diagram

question 20

True/False

A visual line fit to points in a scatter diagram may be used to identify the approximate relation between past cost and unit data.

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Definitions:

Normal Curve

A symmetrical, bell-shaped curve that represents the distribution of many types of data; most scores are near the mean, with fewer scores at the extremes.

Z Distribution

The Z distribution is a normal distribution that has been standardized so that it has a mean of 0 and a standard deviation of 1; it's also known as the standard normal distribution.

Probability

A quantification of the chance of an event taking place, assigned a value between 0, which denotes that the event is impossible, and 1, which denotes absolute certainty of the event happening.

Uniform Distribution

A type of probability distribution where all outcomes are equally likely over a certain range.