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What is a population standard deviation?

Anonymous

∙ 12y ago

Updated: 10/25/2022

The true / real standard deviation ("the mean deviation from the mean so to say") which is present in the population (everyone / everything you want to describe when you draw conclusions)

Wiki User

∙ 12y ago

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Q: What is a population standard deviation?

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What does the sample standard deviation best estimate?

The standard deviation of the population. the standard deviation of the population.

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.

Sample standard deviation?

Standard deviation in statistics refers to how much deviation there is from the average or mean value. Sample deviation refers to the data that was collected from a smaller pool than the population.

Why use the T score?

T-score is used when you don't have the population standard deviation and must use the sample standard deviation as a substitute.

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Related Questions

What does the sample standard deviation best estimate?

The standard deviation of the population. the standard deviation of the population.

Is population standard deviation the same thing as absolute standard deviation?

No.

Can a standard deviation of a sample be equal to a standard deviation of a population?

Yes

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

What is the standard deviation of height in the US population?

The standard deviation of height in the US population is approximately 3 inches.

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 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.

When the population standard deviation is not known the sampling distribution is a?

If the samples are drawn frm a normal population, when the population standard deviation is unknown and estimated by the sample standard deviation, the sampling distribution of the sample means follow a t-distribution.

What is the symbol for population standard deviation?

Sigma

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