Examlex
The physical quantity of momentum is a vector quantity (has direction).
Null Hypothesis
A hypothesis in statistical analysis that assumes no significant difference or effect exists between certain characteristics, conditions, or variables.
Significance Level
The significance level, also known as alpha, is a pre-determined threshold for statistical significance, used to decide whether an observed effect is not due to chance.
P-values
A numerical measure that helps in determining the significance of results obtained in statistical hypothesis testing, indicating the probability of obtaining test results at least as extreme as the ones observed during the test, assuming that the null hypothesis is true.
Z-score
A numerical metric indicating how a value compares to the average of a set of values, shown by the number of standard deviations it is from the average.
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