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Subjects>Math>Math & Arithmetic

What does pooled data mean?

Anonymous

∙ 14y ago

Updated: 12/22/2022

it means to rebulid

Wiki User

∙ 14y ago

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What does pooled data set means?

is a data set with same variables but observed from different group of respondents

What is a difference between a pooled variance and a combined variance?

Pooled variance is a method for estimating variance given several different samples taken in different circumstances where the mean may vary between samples but the true variance (equivalently, precision) is assumed to remain the same. A combined variance is a method for estimating variance from several samples, given the size, mean and standard deviation of each. Mathematically, a combined variance is equal to the calculated variance of the set of the data from all samples. See links.

Why is the mean a measure of the center of the data?

mean does not mean the center of the data

What do you mean by data assembly?

what do you mean by data assembly?

Find the mean of the data?

The mean of a set of data is the sum of that data divided by the number of items of data.

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