Student's T Is Used When

question 41

Multiple Choice

Student's t is used when

• A) the sample is more than 30 observations.
• B) the sample size is ≤ 5% of the population.
• C) the population standard deviation is unknown.
• D) any time.

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Definitions:

Repulsion

A force between two similar or like charges that causes them to move apart.

RPM

Revolutions per minute, a unit of rotational speed or angular velocity.

Multispeed Fan Motors

Motors designed to operate at various speeds to control the airflow rate for different cooling or ventilation requirements.

Run Winding

The winding of a split-phase motor that remains energized during operation.