Examlex
____________________ appear reddish in color due to the light emitted by the Balmer series of the hydrogen atom.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, used in statistics to quantify the degree to which individual data points differ from the mean value of the data set.
Sample Range
The difference between the largest and smallest values in a sample, indicating the spread of the data within the sample.
Process Mean
The average or mean value of a set of process measurements, representing its central tendency over time.
Assignable Variation
A variation in a process or product that can be traced to specific causes, as opposed to random or inherent variability.
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