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:

Population Locations

Refers to the geographical distribution or positioning of individuals within a given population.

Randomized Block Experiment

An experimental design that involves dividing subjects into blocks based on certain characteristics before randomly assigning treatments within each block to reduce variation.

Friedman Test

A non-parametric statistical test for detecting differences in treatments across multiple test attempts.

Rejection Region

A statistical term referring to the range of values for which a null hypothesis is rejected in hypothesis testing.