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The _______________ was established as part of the 1998 tobacco settlement and is dedicated to reducing tobacco use.
Standard Deviation
An indicator of the extent of variability or spread among a collection of numbers, showing the degree to which these numbers differ from their average.
Significance Level
Significance level, often denoted by alpha, is the probability of rejecting the null hypothesis when it is true, serving as a threshold for determining statistical significance.
Power of a Test
The probability that a statistical test will correctly reject a false null hypothesis; a measure of a test's ability to detect an effect when there is one.
Null Hypothesis
A statement used in statistics that proposes there is no significant difference or effect, and any observed difference is due to sampling or experimental error.
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