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Mean and the standard error of the sampling distribution

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1) A population has a mean of 75 and standard deviation of 8. A random sample of 800 is selected. What is The expected value of the sample mean?

2) Random samples of size 81 are taken from an infinite population whose mean and standard deviation are 200 and 18 respectively. The distribution of the population is unknown. The mean and the standard error of the sampling distribution the sample mean are?

Reference no: EM132529250

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