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multiply the mean by the amount of numbers

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Q: How do you calculate the sum of the deviations from the mean?
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What is the sum of the deviations from the mean?

The sum of standard deviations from the mean is the error.

The sum of the deviations about the mean always equals what?

The sum of total deviations about the mean is the total variance. * * * * * No it is not - that is the sum of their SQUARES. The sum of the deviations is always zero.

The sum of the deviations from the mean is always zero?

The definition of the mean x of a set of data is the sum of all the values divided by the total number of observations, and this value is in turn subtracted from each x value to calculate the deviations. When the deviations from the average are added up, the sum will always be zero because of the negative signs in the sum of deviations. Going back to the definition of the mean, the equation provided (x = Σxi/n) can be manipulated to read Σxi - x = 0

What does the sum of the deviations from the mean equal?


The sum of the deviations from the mean is always?

0 (zero).

The sum of deviations of the individual data elements from their mean is?


For which measure of central tendency will the sum of the deviations always be zero?


How do you calculate standard deviation?

standard deviation is the positive square root of mean of the deviations from an arithmatic mean X denoted as sigma.sigma=sqrt {(sum(x-X)^2)/n}

How do you subtract standard deviations?

Square the standard deviations, subtract/add them and calculate the square root of the subtraction/sum. StDV=sqrt (StDvA^2+StDvB^2)

What is the Sum of deviation from the mean is?

The sum of deviations from the mean, for any set of numbers, is always zero. For this reason it is quite useless.

What is the sum of the squared deviations from the mean divided by the count minus one?


What does small standard deviation signify?

Sum of squares of deviations from the mean is small.