A Perforation Only Partially Penetrates a Structure

question 16

True/False

A perforation only partially penetrates a structure.

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Definitions:

Normal Distribution

A bell-shaped curve, describing the spread of a characteristic throughout a population, where most data points are around the mean and the probability of extreme values decreases as one moves away from the mean.

Population Standard Deviation

A measure of the spread of a set of values within a population, calculated as the square root of the variance.

Degrees Of Freedom

The number of independent pieces of information upon which a statistical estimate is based, minus the number of parameters estimated.

T-Distribution

A probability distribution that is used in hypothesis testing for small sample sizes, where the population standard deviation is unknown.