Examlex
What drove herders and pastoralists to migrate to highland plateaus bordering the inner Eurasian steppes between 2000 and 1200 BCE?
Formula
A symbolic representation of a principle or a set of mathematical relations, often used to solve problems or to define scientific laws.
Z Test Statistic
A statistic that measures the difference between the observed value and the hypothesized population mean in units of the standard deviation.
Null Hypothesis
Refers to a statement or assumption that there is no difference or effect, used as a starting point for statistical testing to be challenged by the alternative hypothesis.
Level Of Significance
The threshold used in statistical tests to decide whether an observed effect is considered statistically significant.
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