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In Law / College | 2025-07-05

How many steps are in the calculation of standard deviation from the mean?

Asked by julianjsekon

Answer (1)

The calculation of the standard deviation from the mean involves several steps. Here is a detailed breakdown of each step:

Find the Mean (Average):

Add up all the numbers in the data set.
Divide the sum by the number of values in the data set. This gives you the mean.


Calculate Each Deviation from the Mean:

Subtract the mean from each number in the data set. These are the deviations from the mean.


Square Each Deviation:

Square each of the deviations from the mean calculated in the previous step. This removes negative values and accentuates larger deviations.


Find the Average of the Squared Deviations (Variance):

Add up all the squared deviations.
Divide this sum by the number of values if you're working with a population, or by one less than the number of values if you're working with a sample. This gives you the variance.


Calculate the Square Root of the Variance (Standard Deviation):

Take the square root of the variance calculated in the previous step.



Thus, there are 5 key steps in calculating the standard deviation. Therefore, the correct choice is not directly provided in the list (2, 4, 6, 8), but understanding these fundamental steps is crucial in statistically analyzing data.

Answered by BenjaminOwenLewis | 2025-07-07

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