How large a sample is needed to be accurate within $200
researcher interested in estimating average salary of teachers. 95% confidence. Standard deviation $1050, how large a sample is needed to be accurate within $200 .
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Imagine you are on a large ocean liner with 1000 passengers and crew. The passengers and crew are all from countries other than the United States.
Conduct a test for checking that the proportions of women and men that liked commercial A are the same versus the two-sided alternative at the 5% level.
Was the Watergate Scandal a sign of strength or weakness in the United States System of government?
What type of sampling was this study? What is your analysis of this approach? What are the advantages and disadvantages of this approach?
As part of a larger system project. Clone Bank of Clone, Colorado, wants your help in setting up a new monthly reporting form for its checking account customers.
How would you change the amount of rock salt to freeze th ice cream?
Find the expected value or average profit per customer and determine how much profit they should expect if 10 people purchase one of their European vacation packages.
A basic principle of training which states that in order to improve a certain component of physical fitness, a person must train specifically for that component. Why?
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