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weighted mean is getting the weighted average of students. normally, it is always use in computing the general average of the students to determine the ranking of the whole class.

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โˆ™ 2011-01-30 10:47:17
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Q: Weighted mean sample problem
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What does weighted average mean?

The weighted arithmetic mean is used, if one wants to combine average values from samples of the same population with different sample sizes: : The weights wi represent the bounds of the partial sample. In other applications they represent a measure for the reliability of the influence upon the mean by respective values. rhinostar


How do you calculate the standard deviation of the mean using Excel?

=stdev(...) will return the N-1 weighted sample standard deviation. =stdevp(...) will return the N weighted population standard deviation.


Is an arithmetic mean a weighted mean or a weighted mean an arithmetic mean?

The arithmetic mean is a weighted mean where each observation is given the same weight.


What does this mean I am so weighted with them the giver?

It means: He is weighted with memories.


Does a cumulative GPA mean a weighted or unweighted GPA?

it means the weighted GPA


How do you get weighted mean?

A weighted mean is when some values contribute more than others. In order to calculate weighted mean multiply each weight by its value, add those and then divide by the sum of the weights.


The weighted mean is a special case of the?

Geometric mean


The weighted mean is a special case for?

The weighted mean is simply the arithmetic mean; however, certain value that occur several times are taken into account. See an example http://financial-dictionary.thefreedictionary.com/weighted+average


What does the giver means when he say im so weighted with them the giver?

what does โ€œim so weighted with themโ€œ mean


What happens to the sample mean as the sample size increases?

With a good sample, the sample mean gets closer to the population mean.


Is it the arithmetic mean or weighted mean that is more accurate Why?

The arithmetic mean and the weighted mean are used in different situations. The arithmetic mean is used in frequencies as a general average. The weighted mean is used when different factors contribute to some kind of total for example with weighted index numbers. It is not a matter of accuracy it involves using the right mean in the right situation. Almost always (if not always) a question will specify which mean to use.


What do you mean by sample design?

what do you mean by sample design?

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