Mean and the standard deviation for a distribution
Explain in your own words formulas for the mean and the standard deviation for a distribution of sample means?
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If 100 people are randomly chosen, determine the standard deviation of the sample mean IQ score. (Show work and round the answer to 2 decimal places)
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Assume you've a single data value M sampled from Gamma(6, P) distribution and you'd like to develop a confidence interval for P. But, you have only a M2 table of percentiles available.
Determine the probability that the number of requests in hour is between 8 and 10 inclusive? Provide your answer to four decimal places.
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