Examlex
There are fluctuations in the CBR due to the fact that clumps of dark matter had already begun to form in the universe.
Equal-variances T-test
A statistical test used to compare the means of two groups, assuming that both groups have the same variance.
Normal Populations
Populations in which the distribution of data points follows a normal distribution curve, important in many statistical methods.
Population Means
The average of a set of numerical values from the entire population being studied.
Two Independent Samples
Refers to separate groups of data collected from different populations, where individuals in one sample have no relation to individuals in the other.
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