What measure of spread is used when your data distribution is symmetrical?

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Mathematics

Carney

5 February, 23:35

What measure of spread is used when your data distribution is symmetrical?

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Kamila Riddle · Answer 1

What measure of spread is used when your data distribution is symmetrical?

Answer: When the data distribution is symmetrical, the appropriate measure of spread is standard deviation. The reason is both sides of symmetrical distribution will have same spread.

Symmetrical distribution: Symmetrical distribution is one when both sides of the distribution are identical. The symmetrical distribution is bell shaped and mean, median and mode are equal in symmetrical distribution.

Standard deviation: Standard deviation is the measure of dispersion. It measures the deviation of a set of numbers from its mean. It is defined as the square root of means of the squared deviations from the arithmetic mean