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If a solution absorbs green light, what is its likely color?
Equal Variances
An assumption in certain statistical tests that the variance within each of the groups or samples is the same across all groups or samples.
Random Samples
Samples chosen in such a way that each member of the population has an equal chance of being included.
Two-tailed Test
A two-tailed test is a statistical test in which the area of interest is in both tails of the probability distribution, allowing for the testing of both directions of an effect.
Null Hypothesis
A default hypothesis that there is no significant difference or effect, typically tested against an alternative hypothesis in statistical analysis.
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