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Question: High salaries for presidents and high executives of charitable organizations have been in the news from time to time. Consider the information in Table for the United Way in 10 major cities.
a. What percent of the variation in presidents' salaries is explained by the fact that some raised more money per capita than others? Please give both the number and the usual statistical name for this concept.
b. Find the regression equation to predict salary from money rose per capita.
c. Find the residual value for Seattle, predicting salary from money rose per capita.
d. Find the usual summary measure of the typical error made when using the regression equation to predict salaries from money raised per capita.
e. Is there a significant relationship between president's salary and per capita money raised? How do you know?
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what is the probability that 4 or more live in poverty? what is the probability that 4 live in poverty? what is the expected number (mean) that live in poverty?
This question relates to Basic Statistics and it discuss about calculating a variance for several numbers would be like analyzing their differences. This has been explained in the solution
What is the probability that the North and East hands each have exactly the same number of spades?
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An auditor reviewed 25 oral surgery insurance claims from a particular surgical office, determining that the mean out-of-pocket patient billing above the reimbursed amount was $275.66 with a standard deviation of $78.11.
A new type of plastic has been produced and the company would like to claim that the average stress resistance of this new product is at least 30.0, where stress resistance is measured in pounds per square inch (psi) necessary to crack the sheet. ..
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