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Variance
A measure of the spread between numbers in a data set, indicating how much the numbers differ from the mean.
Independent Samples
Samples drawn from different populations without any pairing or matching between the samples.
Normal Distribution
A distribution of probability that reflects symmetry around the mean, illustrating that occurrences near the mean are more common than those further away from it.
Independent
The condition where two variables do not affect or influence each other.
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