Examlex
To identify and turn away undesirable visitors,the hotel-casino industry uses _____ systems,which rely on face-recognition technology.
T Test
A statistical method that evaluates whether there is a significant difference between the averages of two distinct groups.
Research Hypothesis
A statement predicting a significant relationship or effect between variables, often tested against the null hypothesis.
Hypothesized Mean Difference
The expected or predicted difference between the mean values of two groups in a hypothesis test.
Mean Difference
The arithmetic average of the differences between paired observations in a study.
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