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Suppose that you wish to perform a nonparametric test for a difference among the medians of three or more independent populations. Which of these tests would be appropriate?
Find out a 95 percent confidence interval for population mean.
Each scenario involves randomly selecting n i observations from four, independent, Normal populations as described.
Suppose we wish to test the hypothesis H0: = µ2 vs. H1: = µ≠2 We find a two sided p-value of .03 and a 95% CI for µ of (1.5, 4.0) Are these two results possibly compatible? Why or why not?
Construct a 95% confidence interval for the proportion and calculate the P value for the given test.
Otherwise you lose $1. If you make this wager very many times, what will be the mean outcome?
Make use of normal probability distribution features of EXCEL to help determine the probability.
what sample size should be used in the funding decision study? Use σ = $4000 as a planning value. ________________
Expectation and variance of a random variable and let X be a random variable with the following probability distribution:
Critically discuss the Central Limit Theorem? How large should the sample size be if the underlying distribution of the population values are:
In this forum post provide your results also elucidate what they mean in context of your favorite channel. To find 95 percent confidence interval for given data.
A sample of 10 persons is used to measure the effectiveness of two massage techniques. The effectiveness of the techniques is measured by the number of days that pass by before the subjects feel the need for another massage session.
The number customers who enter a supermarket each hour is normally distributed with a mean of 600 and a standard deviation of 200. The supermarket is open 16 hours per day.
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