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For the values 2, 3, 5, 6, 8, 12, 14, 18, 19, 22, 201, why would you suspect that the McKean-Schrader estimate of the standard error of the median will be smaller than the standard error of the mean?
(Hint: Consider features of data that can have a large impact on s, the sample standard deviation, and recall that the standard error of the mean is s/ √n. )Verify that this speculation is correct.
Your task is to identify a business problem which can be solved by one of the following techniques: Decision theory, regression, forecasting, inventory and linear programming.
Find a 98% confidence interval for the true proportion of students who have a personal blog with a maximum margin of error of 0.03. How many students do you survey?
you conducted a chi-square goodness of fit test. unfortunately you did not get the sample size you had hoped for during
Would the correlation be greater, smaller, or about the same if you calculated the correlation between the weights of individual men and their heights (rounded to the nearest inch)? Explain your answer?
What are the null and alternative hypotheses in this situation?
Find a unique area of your life where one variable impacts the other variable (and that are both measurable) and do a regression analysis on it
There were 3 defectives in the first batch and 5 in the second. Find a 95% confidence interval using the plus four method for the difference in the proportion of defectives.
question bandura blanchard and ritter 1969 conducted an experiment that provided individuals with one of four
Using the table above, answer the following questions: (a) How many variables were there in this analysis?
what is the probability that the sample mean will be at least 1000? Do you need to use the central limit theorism to answer this question? explain.
To find the necessary sample size to achieve the given level of accuracy of prediction.
let xij gallons of component i used in gasoline j. assume that we have two components and two types of gasoline.
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