the square of sum divided by number of observation is called:
1. standard deviation
2 standard error
3 variance
4 non of these
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Hey buddy here is ur answer !!!
》So, to keep it from being zero, the deviation from the mean is squared and called the "squared deviation from the mean".
》The sum of the squared deviations from the mean iscalled the variation.
》The problem with the variation is that it does not take into account how many data values were used to obtain the sum.
Hope u like !!
☺☺ BE BRAINLY ☺☺
》So, to keep it from being zero, the deviation from the mean is squared and called the "squared deviation from the mean".
》The sum of the squared deviations from the mean iscalled the variation.
》The problem with the variation is that it does not take into account how many data values were used to obtain the sum.
Hope u like !!
☺☺ BE BRAINLY ☺☺
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