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Systematic Influence
Factors that consistently affect measurements across the entire dataset, leading to potential bias or error in research findings.
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.
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