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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.
Roxanne is an aerobics (Jumping Jacks) instructor. She submitted a list of her business expenses to you. The list includes: DVD player $500; CD Music $500; Leotards and Tights $500; Towels $500; Mats $500. Which expenses would you allow?
ace co. prepared an aging of its accounts receivable at december 31 2012 and determined that the net realizable value
a under what circumstances would it be appropriate to use each of the activity cost drivers msda to determine the cost
a company that has a fiscal year-end of december 31 1 on october 1 30000 was paid for a one-year fire insurance policy
the partners in crawford company decide to liquidate the firm when the balance sheet shows the following. crawford
In 2003 the company estimates that direct material cost and direct labour cost will increase by 12 percent. It also estimates that overhead cost will increase by a total of $ 6,000 and that selling and administrative cost and sales volume will rem..
the actuary for the pension plan of gustafson inc. calculated the following net gains and losses. incurred during the
1. For the following experiment, identify the experimental units, the treatments, the response, and the random assignment.
The bonus was awarded at the December board meeting based on Vera's threat to accept a better paying job with a competitior. What amount may Brunettes deduct?
1. patties production company has annual fixed costs of 420000 per year. she sells each widget she makes for 20
What are the total assets of the company. What are the current assets of the company. Provide a segmental breakdown of the markets.
tony and suzie see the need for a rugged all-terrain vehicle to transport participants and supplies. they would love to
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