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A simple random sample from a normal distribution is taken in order to obtain a 95% confidence interval for the population mean. If the sample size is 8, the sample mean is 22, and the sample standard deviation s is 6.3, what is the margin of error? Show your answer to 2 decimal places.
Can you explain how to do this in excel? What is season indices forecast next two forecast periods What is the mape? What smooth/deseasalized trend line?
To report the results of a z test, we report the test statistic, p value, and effect size of a hypothesis test.
Use the method of moments to fit an exponential and a gamma distribution and compare the results.
The scores on a standardized mathematics test for 8th-grade children in New York State form a normal distribution with a mean of m = 70 and a standard deviation of s = 10. What proportion of the students in the state have scores less than X = 75?
assume that matched pairs of data result in the given number of signs when the value of the second variable is
according to the mendelian theory of inherited charateristics a cross ferilizatiopn of related species of red and white
1. What is the difference between read only memory (ROM] and random access memory (RAM)?
Gender gap. A presidential candidate fears he has a problem with women voters. His campaign staff plans to run a poll to assess the situation.
a rational decision maker must choose between two alternatives. alternative 1 has a higher emv than alternative 2 but
We want to test the hypothesis about fairness of spinning the coin. Evaluate the true proportion of heads. Use 95% confidence interval. Do not forget to check conditions first.
I'm trying to determine what happens to the sample size if the level of confidence is reduced from 95% to 90% but the allowable error and the standard deviation remain
Describe the use of sensitivity analysis and postoptimality analysis in analyzing the results. Describe the characteristics of a Bernoulli process. How is a Bernoulli process associated with the binomial distribution?
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