The Efficiency of a Test Indicates

question 23

Multiple Choice

The efficiency of a test indicates:

• A) The percentage of patients who test positive for the disease
• B) The percentage of patients who are correctly identified as having or not having the disease
• C) The percentage of patients who test negative for the disease
• D) The number of patients tested for a disease

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Definitions:

Pearson Coefficient

A measure of the linear correlation between two variables, ranging from -1 to 1, where 1 means a perfect positive correlation and -1 means a perfect negative correlation.

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together.

Population Slope

Represents the rate of change or relationship between two variables across the entire population being studied, typically in the context of linear regression.

Significance Level

The probability of rejecting the null hypothesis when it is true, commonly used as a threshold to determine the statistical significance of an observed effect.