Question

In quality control of manufactured items, the most common measure of dispersion is:

Answer 1

Explanation:

Standard deviation (SD)....

Answer 2

Answer:

The correct answer is Standard Deviation

Explanation:

The standard deviation measures the data set's dispersion from its mean value. It is usually expressed as an arithmetic value. The standard deviation is always positive and is represented by the symbol (sigma). Standard Deviation is a very accurate measure of dispersion and is favoured over other measurements of dispersion.

The square-root of variance is calculated by finding the deviation of each data point from the arithmetic mean. When data points deviate from the mean, it indicates a larger variance within the set of data.