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Why are all spiral tracers young
Null Hypothesis
An assumption made for statistical testing that indicates no effect or no difference, used as a basis for comparison.
Test Statistic
A value calculated from sample data during hypothesis testing. It is used to decide whether to reject the null hypothesis.
Population Mean
The average value of a set of characteristics for an entire population.
Alpha
A threshold value in hypothesis testing that determines the level of significance, usually set to 0.05 or 0.01.
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