Examlex
Why are infrared observations useful when observing extrasolar planets?
50th Percentile
Also known as the median, it is the value below which 50% of the observations in a group of data fall.
N - 1
A formula used to calculate the sample variance or sample standard deviation, representing the sample size minus one.
Variance
A measure of the dispersion of a set of data points around their mean value, indicating how spread out the data are.
Measure of Variability
Statistical indices that describe the spread or dispersion within a set of numerical data, including range, variance, and standard deviation.
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