Examlex
Explain how the prices of goods and services used in the CPI differ from the prices used in the PPI.
Mean Square
A statistical measure used primarily in the context of ANOVA, representing the average of the squares of differences from the mean, indicative of variance.
Main Effect
The direct impact of an independent variable on a dependent variable in an experimental study, ignoring the effects of other independent variables.
Factor A
In experimental design, a variable that is deliberately manipulated to observe its effect on a dependent variable, often referred to as an independent variable.
Critical Value
The threshold value that a test statistic must exceed in order to reject the null hypothesis in a statistical test.
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