Examlex
A skin test is an immunization vaccine to prevent tuberculosis (TB).
Population Mean
The average of all the values in a population, representing the central tendency.
Standard Deviation
An index that gauges the degree of fluctuation or deviation within a group of data entries.
Null Hypothesis
A default hypothesis that there is no effect or no difference, and it is the assumption to be tested in statistical hypothesis testing.
Parameter of Interest
A specific characteristic or measure in a population that a study aims to estimate or test.
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