Examlex
Value analysis is an approach to cost reduction in which components are carefully studied to determine if they can be redesigned or standardised or made by cheaper methods of production.
Significance Level
The likelihood of mistakenly dismissing the null hypothesis, typically represented by alpha, when in truth it holds.
Null Hypothesis
A statement or hypothesis that assumes no statistical significance or effect exists in a set of observations or experiment.
Two-Tailed Test
A hypothesis test in which the critical area for a rejection of the null hypothesis is in both tails of the probability distribution, allowing for testing of deviations in both directions.
Population Mean
The average of all the values in a population, representing the central tendency of the total population.
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