Examlex
Which of the following substances is NOT physiologically addicting?
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.
Type I Error
An error in hypothesis testing that occurs when the null hypothesis is wrongly rejected, falsely indicating a significant result.
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