Muhammad Usman | How To Make Sampling Distribution of Sample Means and Properties In Urdu Hindi

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Question :
A finite population consists of values 2, 4, 6, 8, 10, and 12. Calculate sample means for all possible random samples of size 2 that can be drawn from this population with Replacement from this population. Make the sampling distribution of sample means and find it's mean and variance. Also, find the mean and variance of the population and verify the results.
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The probability distribution of sample means is called the sampling distribution of the sample mean.
There are two properties of a sampling distribution of sample mean
1 The mean of a sampling distribution of the sample means is always equal to the population mean.
2 A variance of the sampling distribution of sample means is always equal to the population variance divided by sample size ( In Sampling with replacement)
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