What Is Special About the Standard Normal Distribution

question 80

Essay

What is special about the standard normal distribution?

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Definitions:

P-Values

Probabilities used to quantify the significance of findings, or the likelihood that the observed data occurred by chance under the null hypothesis.

Null Hypothesis

A statement in statistical analysis that assumes no significant difference or effect, serving as the default assumption to be tested against an alternative hypothesis.

Level Of Significance

A threshold used in hypothesis testing to determine whether to reject the null hypothesis, commonly set at 0.05, indicating a 5% risk of concluding that a difference exists when there is none.

Test Statistic

A value calculated from sample data during a hypothesis test. It is used to determine whether to reject the null hypothesis.