Examlex
The lymph nodes filter bacteria, viruses, and tumor cells from blood on its way back to the heart.
Range
The difference between the highest and lowest values in a data set, indicating the spread or dispersion of the set.
Chebyshev's Theorem
A statistical theorem that gives an inequality for assessing the probability that a random variable differs from its mean.
Empirical Rules
A statistical rule stating that for a normal distribution, nearly all data will fall within three standard deviations of the mean.
Interquartile Range
A measure of variability, calculated as the difference between the third (75th percentile) and first quartile (25th percentile), that indicates the middle 50% of the data.
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