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What is the sample mean?

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โˆ™ 2009-07-21 12:03:31
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Q: What is the estimated population mean with a sample of 36 and a standard deviation of 0.03?
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Related questions

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 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


What is the estimated population mean with a sample of 36 and the standard deviation of 0.03?

"http://wiki.answers.com/Q/What_is_the_estimated_population_mean_with_a_sample_of_36_and_the_standard_deviation_of_0.03"


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)]


What is the statistic that is used to estimate a population standard deviation?

the sample standard deviation


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 do you know when to use t distribution opposed to the z distribution?

You use the t-distribution as opposed to the z-distribution when: (1) you are testing a hypothesis about the population mean and the standard deviation is unknown (estimated from the sample). (2) You are constructing a confidence interval for the population mean when the population standard deviation is unknown (estimated from the sample).


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.


When we know the population mean but not the population standard deviation which statistic do we use to compare a sample to the population?

The sample standard error.


How does one calculate the standard error of the sample mean?

Standard error of the sample mean is calculated dividing the the sample estimate of population standard deviation ("sample standard deviation") by the square root of sample size.


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.

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