Examlex
Scientists have used the fossil record to estimate the average length of time that a species inhabits the Earth. How can this estimate be useful for assessing the impact of humans on the Earth's biological diversity?
Normally Distributed Populations
Refers to groups or sets of data that follow a normal distribution, characterized by a symmetric bell-shaped curve where most observations cluster around the mean.
Population Variances
A metric that quantifies the degree to which a set of values in a population varies.
Sampling Distribution
The probability distribution of a statistic based on a large number of samples drawn from a specific population.
Unequal-variances T-test
A statistical test used to compare the means of two groups that do not have the same variance.
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