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What is the difference between a deductible and a copayment as it applies to medical insurance?
Correlation
A quantitative measure that indicates the extent to which two or more variables fluctuate together.
Correlation Coefficient
A numerical measure that quantifies the degree to which two variables are related, ranging from -1 (perfect negative correlation) to +1 (perfect positive correlation).
One-tailed Hypothesis
A hypothesis test that considers either a decrease or an increase in a specific direction, focusing on one end of the probability distribution.
Valid Hypothesis
A hypothesis that is well-founded, testable, and grounded in existing scientific evidence or observations.
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