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Which of the following substances is used for surgical hand scrubs?
Population Standard Deviation
A measure of the spread of all values in a population, indicating how much the values differ from the mean of the population.
Sample
A subset of a population used for statistical analysis, selected for the purpose of making generalizations about the total population.
Estimated
An approximation or educated guess based on available data, rather than an exact measurement.
Test Statistic
A calculation, derived from sample data, used to determine the presence of a statistically significant difference between groups in hypothesis testing.
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