Examlex
If the price elasticity of demand for your product is 0.75 and you increase the price of the product, you should expect an increase in total revenue.
Categorical Variable
A type of variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or observation to a particular group or category.
Degrees of Freedom
The number of independent values or quantities which can vary in the analysis of statistical parameters.
Chi-square Statistic
A statistical measure used in tests of independence or goodness of fit, quantifying how expected counts compare to observed counts.
Null Hypothesis
The hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.
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