The null hypothesis allows researchers to determine the probability that the results found in a sample are consistent with the overall population.

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The null hypothesis is a statement used in statistical testing that assumes no effect or no difference between groups. By testing the null hypothesis, researchers can determine the probability that the observed results in a sample could occur if there were actually no difference or effect in the overall population, thus assessing the likelihood that the results are due to chance.

The Null Hypothesis Allows Researchers to Determine the Probability That