Examlex
The cross-price elasticity of demand between rifles and bullets is likely to be
Null Hypothesis
The default hypothesis that there is no effect or no difference, and any observed deviation from this state is due to chance.
Directional
Pertaining to a hypothesis or research that specifies the direction of an expected relationship or difference between variables.
Alternative Hypothesis
The hypothesis stating there is a significant difference or effect, tested against the null hypothesis.
T Statistic
A value used in statistical analysis that helps determine if there is a significant difference between the means of two groups.
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