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Which of the following described the Acheulean hand axe?
Null Hypothesis
In statistics, it posits that there is no effect or difference among the groups being studied or variables being compared.
Alpha
In hypothesis testing, alpha level represents the threshold for rejecting the null hypothesis, often set at 0.05 or 5% risk of Type I error.
T-statistic
A statistic calculated from a dataset to compare the mean of the data to a hypothetical mean as part of a t-test.
Critical Value
The boundary value from a statistical distribution where, if the observed test statistic is beyond this point, the null hypothesis is rejected.
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