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Question: The PricewaterhouseCoopers Human Capital Index Report indicated that the average cost for an American company to fill a job vacancy during the study period was $3,270. Sample data similar to those used in the study are in a file titled Hired.
a. Produce a relative frequency histogram for these data. Does it seem plausible the data were sampled from a normally distributed population?
b. Calculate the mean and standard deviation of the cost of filling a job vacancy.
c. Determine the probability that the cost of filling a job vacancy would be between $2,000 and $3,000. d. Given that the cost of filling a job vacancy was between $2,000 and $3,000, determine the probability that the cost would be more than $2,500.
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If a student scored 90 points on a test where the mean score was 82.2 and the standard deviation was 5.7. What steps do I do to find out the student's z score?
cupid is doing research about relationships between heterosexual humans heights and whether they couple up and get
A stockbroker at Critical Securities reported that the mean rate of return on a sample of 10 oil stocks was 12.6 percent with a standard deviation of 3.9 percent. The mean rate of return on a sample of 8 utility stocks was 10.9 percent with a stan..
Explain what is meant by subjective probability. Research the Internet, and provide a business-related example in which subjective probability assessment would likely be used (be sure to cite your sources).
Descriptive statistics for each of the four variables along with a discussion of what the descriptive statistics tell us about the motion picture industry?
The game of craps requires the player to throw two dice one or more times until a decision has been reached as to whether he (or she) wins or loses. He wins if the first throw results in a sum of 7 or 11 or, alternatively, if the first sum is 4, 5..
in compiling an ethical research report for audiences the researcher shoulda.report honestly without changing
In random samples of 250 persons with low incomes, 200 persons with average incomes, and 150 persons with high incomes, there were, respectively, 155, 118, and 87 who favor a certain piece of legislation.
How would your colleagues probably react to such a statement of yours? Is their expected (positive or negative) reaction the local cultural habit in your company or is it a wider position common for people in your country?
a. What is the least squares prediction equation? b. Find R2 and interpret its value.
What is the mean rating given a program that evening?- How many standard deviations above or below the mean is the rating for each one of the programs?
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