Why Is It Important That a Population Be Selected at Random

question 7

Multiple Choice

Why is it important that a population be selected at random when conducting polls?

• A) Random sampling is the most convenient and inexpensive sampling technique, allowing for frequent measurement.
• B) Without a random sample, the poll would be considered unscientific and therefore invalid.
• C) Random samples are the only accepted way to conduct public opinion polls in America.
• D) A sample must be completely random so as to not violate anti-discrimination laws.

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Definitions:

Right Mouse Button

The button on the right side of a mouse that often opens contextual menus or provides additional interaction options within software applications.

Mouse Operations

Actions performed with a computer mouse, including clicking, double-clicking, dragging, and scrolling.

Wheel

A circular object that, together with an axle, allows heavy objects to be moved easily through rolling, fundamental in transportation mechanisms.

Uppercase And Lowercase

Refers to the distinction between capital letters (uppercase) and small letters (lowercase) in text, affecting readability and meaning.