Each Person Who Applies for an Assembly Job at Robert's

question 43

Multiple Choice

Each person who applies for an assembly job at Robert's Electronics is given a mechanical aptitude test. One part of the test involves assembling a plug-in unit based on numbered instructions. A sample of the length of time it took 42 persons to assemble the unit was organized into the following frequency distribution. What is the standard deviation (in minutes) ?

• A)3.89
• B)6.01
• C)8.78
• D)17.00

---

Definitions:

White Light

Light that contains all wavelengths of visible light, appearing white to the human eye.

Saturated

In chemistry, refers to a molecule containing no double or triple carbon-carbon bonds, fully "saturated" with hydrogen atoms. In everyday language, it often means completely filled or soaked.

Psychological Dimension

Refers to aspects of an individual's psychological functioning, including thoughts, emotions, behaviors, and mental processes.

Brightness

The perception of how luminous an object appears; the attribute of visual experience by which an area appears to emit more or less light.