THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 88

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A corporation has 30 outlets in the North,40 in the South,60 in the Midwest,and 45 in the West.Using a proportional allocation of a random sample of 20% of the outlets,the manager records the following means and standard deviations.

-Compare and contrast stratified sampling and cluster sampling.Under what circumstances would these techniques be chosen over a simple random sample?

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Definitions:

Pressure

The force exerted by the substance per unit area on another substance. In automotive contexts, it often refers to the pressure within tires or hydraulic systems.

Dampers

Components of a vehicle's suspension system that control unsprung mass motion through resistance to velocity, providing a smoother ride.

Steering Knuckles

Components of the suspension system that pivot on ball joints, to which the wheels are attached, allowing the wheels to steer.

Control Arms

Components in a vehicle's suspension system that link the chassis to the wheel hub, facilitating smooth movement and steering.