Examlex
The variance of the sum of two investments will be equal to the sum of the variances of the two investments when the covariance between the investments is zero.
Age
A measure of the time an individual or object has existed from its creation or birth to a specific point.
Exercise
Physical activities intended to improve strength, fitness, and health.
Randomized Block Design
A type of experimental design that groups participants into blocks based on certain characteristics before randomly assigning them to treatments, to control for variability.
Cholesterol Level
The amount of cholesterol present in the bloodstream, important for assessing heart health.
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