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Labour productivity is
One-tail
One-tail refers to one-sided tests in hypothesis testing where the critical area of a distribution is one-sided, either to the right or left, focusing on a specific direction of interest.
Two-tail
A term used in statistical tests where the critical region is split between both ends of the distribution, testing for either significantly greater or lesser outcomes than the expected value.
Kruskal-Wallis Test
A non-parametric method for testing whether samples originate from the same distribution, often used as an alternative to one-way ANOVA when the assumptions of ANOVA are not met.
ANOVA F Test
A statistical test used to determine if there are any statistically significant differences between the means of three or more independent groups.
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