Please Define the Following Key Terms

question 55

Essay

Please define the following key terms. Show Who? What? Where? When? Why Important?
-Vilfredo Pareto

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Definitions:

Test Statistic

A calculated value from data that is used to test a hypothesis in the context of statistical analysis, helping determine the probability of observing the given data under the null hypothesis.

Observations

Refers to the individual points or pieces of data collected during a study or research.

Two-Tailed Test

A statistical test that considers the possibility of an effect in two directions, both above and below the mean.

Significance Level

The significance level, often denoted by alpha, is the threshold at which the null hypothesis is rejected in a statistical test.