Respuesta :
When there is more variance within the groups, it obscures the differences between the groups, because more overlap exists between the members of the two groups. More overlap exists between the members of the two groups.
The variance is simply the squared difference between every statistics factor and the center of the distribution measured by means of the imply.
In probability concepts and records, variance is the expectancy of the squared deviation of a random variable from its population mean or sample suggest. Variance is a degree of dispersion, meaning it is a measure of ways some distance a hard and fast of numbers is unfold out from their average cost.
Variance is a measure of how information factors differ from the mean. in step with Layman, a variance is a measure of how far a fixed of facts (numbers) are spread out from their suggest (average) cost. Variance way to find the predicted distinction of deviation from the actual price.
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