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

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Definitions:

Armrests

Supportive structures on the sides of seats for resting the arms, enhancing comfort and ergonomics.

Backrest

A support feature for the back of a chair, couch, or seat that provides comfort and postural support.

Drug Formulary

A list of prescription medications, both generic and brand name, that are approved for use and covered by a health plan.

Prescribing Medications

The act of authorizing and directing the use of a specific medication for a patient by a licensed healthcare professional.