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What are two disadvantages of using pure metals in applications such as tools, weapons, and currency?
Significance Level
The threshold below which a p-value indicates that the observed data is unlikely to have occurred by chance, leading to rejection of the null hypothesis.
Null Hypothesis
A statement in statistical analysis that proposes there is no significant effect or difference between certain variables or groups.
Statistical Test
A method of making decisions or inferences about population parameters based on sample data, often involving a comparison between an observed test statistic and a critical value.
Power
The probability that a statistical test will correctly reject a false null hypothesis; it measures a test's sensitivity to detect an effect if there is one.
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