In a Drug Study,sometimes the Pill with an Inert Substance

question 139

True/False

In a drug study,sometimes the pill with an inert substance (such as a sugar pill)may have an unintended effect.This is called the bias effect.

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Definitions:

Null Hypothesis

A hypothesis in statistical testing that there is no effect or no difference, and any observed deviation is due to sampling or experimental error.

Significance Level

A threshold below which a p-value is considered statistically significant, indicating that observed results are unlikely to be due to chance.

Critical Value

The point or points on the scale of a test statistic beyond which we reject the null hypothesis; these values define the threshold of significance.

Test Statistic

A value, derived from sample data, used in a hypothesis test to determine whether to reject the null hypothesis.