Examlex
Explain the three theories of aging.
Population Variance
A measure that quantifies the spread of a set of data points in a population, calculated as the average of the squared differences from the Mean.
Confidence Interval
A spectrum of numbers resulting from sample measurements, which is thought to cover the value of an unidentified population feature.
Standard Deviation
A measure of the amount of variation or dispersion in a set of values, showing how spread out the data points are from the mean.
Chi-squared Distribution
A statistical distribution that is used to describe the distribution of a sum of squared random variables, often used in hypothesis testing.
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