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The standard error of the mean is the standard deviation of the sampling distribution of the sample mean?
a large number of samples of size 50 were selected at random from a normal population with mean and variance.The mean and standard error of the sampling distribution of the sample mean were obtain 2500 and 4 respectivly.Find the mean and varince of the population?
What is sampling plan?
There are two major alternative sampling plans:
What does a sampling plan have?
sampling plans have nothing it is all a troll...
Difference between standard error and sampling error?
Standard error is random error, represented by a standard deviation. Sampling error is systematic error, represented by a bias in the mean.
What is the answer in standard form 2.5 X 103?
The answer in standard form for 2.5 x 10^3 is 2500.
What is Confidence Intervals of Standard Error?
The standard deviation associated with a statistic and its sampling distribution.
Is the standard deviation of the sampling distribution of the sample mean is o?
NO
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 standard error of the sampling distribution equal to when you do not know the population standard deviation?
You calculate the standard error using the data.
What is sampling distribution of the mean?
Thanks to the Central Limit Theorem, the sampling distribution of the mean is Gaussian (normal) whose mean is the population mean and whose standard deviation is the sample standard error.
As the sample size increases the standard deviation of the sampling distribution increases?
No.
When the population standard deviation is known the sampling distribution is a?
normal distribution
