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What is the difference from having a standard deviation that is a sample and population and how do you tell which one is suited for the question.?
Wiki User
∙ 12y ago
A standard deviation for a sample makes a judgment on the whole data set whereas the population standard deviation uses the shole data set.
If the questions says for example, a sample of 50 peoples height was taken... you would use the sample method but if you were asked : "Everyone in the class had their height measured" you could use the population method
Hope that helps
Wiki User
∙ 12y ago
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Difference Standard Deviation of a portfolio?
difference standard deviation of portfolio
What is the statistic that is used to estimate a population standard deviation?
the sample standard deviation
The standard deviation of the distribution of means is also known as the population standard deviation?
Yes.
How do i find sample standard deviation from population standard deviation?
If the population standard deviation is sigma, then the estimate for the sample standard error for a sample of size n, is s = sigma*sqrt[n/(n-1)]
The population standard deviation is 100?
It can be.
What does the sample standard deviation best estimate?
The standard deviation of the population. the standard deviation of the population.
Difference Standard Deviation of a portfolio?
difference standard deviation of portfolio
Can a standard deviation of a sample be equal to a standard deviation of a population?
Yes
Is population standard deviation the same thing as absolute standard deviation?
No.
What is the standard deviation of 157 160 161 172 165 149?
The standard deviation if the data is a sample from a population is 7.7115; if it is the population the standard deviation is 7.0396.
What is the statistic that is used to estimate a population standard deviation?
the sample standard deviation
How do you write standard deviation in words?
Exactly as in the question: standard deviation!
The standard deviation of the distribution of means is also known as the population standard deviation?
Yes.
How is standard deviation different from mean absolute decation?
If I have understood the question correctly, despite your challenging spelling, the standard deviation is the square root of the average of the squared deviations while the mean absolute deviation is the average of the deviation. One consequence of this difference is that a large deviation affects the standard deviation more than it affects the mean absolute deviation.
How do i find sample standard deviation from population standard deviation?
If the population standard deviation is sigma, then the estimate for the sample standard error for a sample of size n, is s = sigma*sqrt[n/(n-1)]
The population standard deviation is 100?
It can be.
What happens if you estimate population standard deviation with the sample standard deviation?
Not a lot. After all, the sample sd is an estimate for the population sd.
