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For each of the following scenarios, say whether the data should be treated as independent or paired samples. Explain briefly. If paired, explain what the pairing involves.
a) An efficiency expert claims that a new ergonomic desk chair makes typing at a computer terminal easier and faster.To test it, 30 volunteers are selected. Half of the volunteers will use the new chair and half will use their old chairs. Each volunteer types a randomly selected passage for 2 minutes and the number of correct words typed is recorded.
b) A real estate agent wants to know how much extra a fire- place adds to the price of a house. She selects 25 city blocks. In each block she randomly chooses a house with a fireplace and one without and records the assessment value.
c) A manager wants to know if the mean productivity of two workers is the same. For each worker he randomly se- lects 30 hours in the past month and compares the number of items produced.
Suppose a company has 5 different capital budgeting projects from which to choose, but has constrained funds and cannot implement all of the projects. Explain why comparing the projects' NPVs is better than comparing their IRRs.
The rapid growth of technology has aided Criminal activity in many ways. The internet allows communication between individuals without having to be near one another. It helps aide persons with interest of taking major companies under attack. With ..
a. Calculate the degree of financial leverage in base Year 1. b. If earnings before interest and tax increase by 10% in Year 2, what will be the new level of earnings, assuming the same tax rate as in Year 1?
Calculating the present value of a bond) If a corporate bond with a face value of $1,000 has 24 years to go until it matures, has a coupon interest rate of 5.7% and a yield to maturity (YTM) of 4.201%, what should be its price in the bond mark..
What is the variable cost per unit assumed in the GoodTaste Club's analysis? (Round your answer to the nearest whole number.)
one difference between financial and managerial accounting is that the external users that use financial information
George contributed $3,000 (food, shelter, and medical care) toward the support of his nephew, Andy, who lives with him. Andy earned $1,000 from a part-time job and received a $2,000 scholarship to attend a local university. Can George claim Andy a..
After doing some outside research, discuss what you believe were some of the weaknesses of the SEC that prevented earlier detection of Madoff's actions. What improvements have been made to the SEC since 2009?
What is pro forma reporting according to regulation SX of the SEC? How has pro forma reporting been used by corporations over the years? Summarize the arguments for and against this type of reporting.
Ivy Inc. issued callable bonds with a stated interest rate of 5 percent. The bonds were callable at 102. At the date of issue, the market rate of interest was 6 percent for similar investments.
A student is trying to determine the half-life of radioactive iodine-131. He measures the amount, A, of iodine-131 in a sample solution every 8 hours. His data are shown in the table.
Briefly discuss three models for selling mobile ad impressions. What are the primary measures for the success of mobile advertising?
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