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What Is a Voucher System

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What is a voucher system?


Definitions:

Statistical Test

A procedure for determining whether an observed pattern in data differs significantly from what would be expected under a certain hypothesis, often used to assess the probability of observing the given data by chance.

Null Hypothesis

A hypothesis that assumes no statistical significance exists in a set of given observations, aiming to be disproven.

Normal Curve

A bell-shaped curve that represents the distribution of data about a mean in a symmetrical pattern, indicating normal distribution in statistics.

Obtained Value

The actual value or result derived from a statistical test or experimental measurement.

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