Variance cannot be negative.
It means the figures on either side of the equal sign have equal values to each other.
Positive Correlation
The answer is an equal sign =
1. Find the mean (average) of each set. 2. Subtract each value from its set mean. 3. Square each difference. 4. Add the squared values for each set. The sum of the squared differences for each set is that set's variance. If you want to find standard deviation (a much more useful number in most cases), divide the variance by the number of values in the set minus 1 (n-1), and then take the square root of the result.
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Equal in Variance
An equation.
Yes, sigma squared (σ²) represents the variance of a population in statistics. Variance measures the dispersion of a set of values around their mean, and it is calculated as the average of the squared differences from the mean. In summary, σ² is simply the symbol used to denote variance in statistical formulas.
It means the figures on either side of the equal sign have equal values to each other.
It means that the variance remains the same across the range of values of the variable.
Usually two algebraic expressions that are equal in values
the interval between successive equal values of a periodic function.
the interval between successive equal values of a periodic function.
Equal Variance
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Yes; when the variance is one.
a statement that the values of two mathematical expressions are equal (indicated by the sign =).