How Are Cases Chosen for a Random Sample

question 27

Multiple Choice

How are cases chosen for a random sample?

• A) so that each case has an equal chance of being selected
• B) by preconceived ideas of which cases will support the hypothesis
• C) on the basis of some standard criterion, such as size of population
• D) from among materials the researcher happens to have at home or in the office

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Definitions:

Kingpin

A critical component in vehicle steering mechanisms or in the coupling between a trailer and a tractor, around which steering or pivoting occurs.

Steering Axles

Axles equipped with mechanisms to alter the direction of a vehicle's wheels, facilitating steering.

Tandem Drive Axles

A pair of drive axles in a vehicle, typically trucks or buses, that work in conjunction to distribute the weight and increase the vehicle's traction.

Pusher Axle

A truck dead axle located in front of a drive axle that may or may not be a lift axle.