____________________ Welds Are Used When the Strength of a Full-Length

question 9

Short Answer

____________________ welds are used when the strength of a full-length weld is not required, to speed up the welding process and reduce welding cost, to reduce welding heat distortion, or to help stop weld bead cracking.

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Definitions:

One-tailed Test

A statistical hypothesis test in which the region of rejection is on only one side of the sampling distribution.

Population Variances

The squared deviation of a set of values in a population from their mean, representing the dispersion within the population.

Equality

A concept referring to the state or quality of being equal, indicating that two or more entities are the same in quantity, size, degree, or value.

Population Variances

A measure of the spread or dispersion of a set of data points in a population, indicating how much the members of the population differ from the population mean.