3D Printers,also Known as ________,Create Three-Dimensional Shapes by Adding Very

question 48

Multiple Choice

3D printers,also known as ________,create three-dimensional shapes by adding very thin layer after layer of material until the final shape is fully formed.

• A)virtual reality
• B)cloud printing
• C)multifunctional printing
• D)additive manufacturing

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Definitions:

Power

The probability that a statistical test will correctly reject a false null hypothesis, effectively detecting an actual effect.

Type II Error

The mistake of failing to reject a false null hypothesis, also known as a "false negative" finding.

Dependent-Samples T-Test

A statistical test used to compare the means of two related groups, indicating if any difference between them is statistically significant.

Confidence Interval

The best estimate of the range of a population value given the sample value.