Reference no: EM131318622 , Length: 5
In addition to solving the problems, write a 3 - 5 page APA formatted paper explaining the process that lead to the resolution.
* Calculators may be used to check answers where calculators are part of assignments but you must show your work and not just state the answers.
Chapter 6 exercises
4. In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their stress level on a scale of 1 to 10. The data are provided in the following table.
Calculate a pearson's r to determine the type and strength of the relationship between caffeine and stress level. How much of the variability in stress scores is accounted for by the number of cups of coffee consumed per day?
6. Assuming that the regression equation for relationship between IQ score and psychology exam score is Y' = 9 + 0. 274, what would you expect the psychology exam score to be for the following individuals given their IQ exam scores?
Individual IQ SCORE (X) Psychology Exam Score (Y)
Tim 118
Tom 98
Tina 107
Tory 103
Chapter 7 Exercises
8. The admissions counselors at Brainy University believe that the freshman class they have just recruited is the brightest yet. If they want to test this belief (that the freshmen are brighter than the other classes), what are the null and alternative hypotheses? Is this a one- or two tailed hypothesis test?
10. A researcher believes that family size has increased in the past decade in comparison to the previous decade- that is, people are now having more children than they were before. What are the null and alternative hypotheses in a study designed to assess this? Is this a one- or two-tailed hypothesis test?
12. Assume that each of the following conclusions represents an error in hypothesis testing. Indicate whether each of the statements is a type I or a type II error.
a. based on the date, the null hypothesis is rejected.
b. there is no significant difference in quality of care between nurses who work 8 and 12hour shifts.
c. there is a significant difference between right and left handers in their ability to perform a spatial task.
d. the researcher fails to reject the null hypothesis based on these data.
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Determines whether a hedge is sufficiently effective
: Explain how an organization determines whether a hedge is sufficiently effective to justify hedge accounting?- Describe the primary differences between accounting for fair value hedges and accounting for cash flow hedges?
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Demonstrate the impact on the financial statements
: BLB00034 Accounting Theory and Practice - Demonstrate the impact on the financial statements and the implication for different users of accounts of alternative ways of treating controversial accounting items and critically evaluate the usefulness ..
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Noncumulative right to withdraw the greater
: Florence transferred $300,000 to an irrevocable trust for her two children. She granted them a noncumulative right to withdraw the greater of $5,000 or 5% of trust assets each year. Her children did not make any withdrawal this year. What is the a..
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What is the purpose of risk management industry standards
: What is the most important component of an effective risk management system? Briefly explain how speculative derivatives transactions are treated from an accounting perspective.
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What are the null and alternative hypotheses
: The admissions counselors at Brainy University believe that the freshman class they have just recruited is the brightest yet. If they want to test this belief (that the freshmen are brighter than the other classes), what are the null and alternati..
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Find current futures price for next available contract month
: Determine the current futures price for the next available contract month. What would your profit or loss be if you bought one contract today, and the Dow Jones Industrial Average increased by 100 points before the last settlement date?
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What is the irr of project
: An investment costs $875,000 today and is expected to produce a one-time inflow at the end of year 8 of $1,430,000. What is the IRR of this project?
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Describe the required elements of a communication plan
: Analyze the required elements of a communication plan. Describe the different organizational structures as it relates to project management (i.e., functional, project-based, matrix).
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How the firms earnings and balance sheet would be affected
: Suppose that a firm engages in a derivative transaction that qualifies for fair value hedging.- Explain what accounting entries would be done and how the firm's earnings and balance sheet would be affected.
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