Answer:
Step-by-step explanation:
Standard Deviation-
Standard deviation is a measure of how spread out or dispersed the numbers are.
Variance-
Variance is the average of the squared differences from the mean.
Square root of variance is standard deviation.
As given, the variance of a variable is 169, hence its standard deviation will be,
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LammettHash
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Standard deviation is the square root of variance, so the std dev is .
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