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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In random sample of 13 microwave ovens, the mean repair cost was $80.00 and standard deviation was $15.40. Using the standard normal distribution with appropriate calculations for a standard deviation that is known
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A recent investigation studied the effects of levels of several vitamins in a cell culture on the yield (g/L) of pyruvate, a useful organic acid. The data in the following table are presented as two replicates of a 23 design. The factors are
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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