Examlex
The correlation coefficient and the covariance are measures of the extent to which two random variables move together.
Exercise Program
A planned routine of physical activities designed to improve fitness and health.
Incidence
The number of new cases of a disease or condition that are identified in a specific population during a given time period.
HIV-Positive Cases
Instances where individuals have been tested and found to have the Human Immunodeficiency Virus (HIV) in their blood.
Time Period
A specific duration or interval marked by a beginning and an end, often used to study events or changes.
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