APPLIED STAT.IN BUS.+ECONOMICS
APPLIED STAT.IN BUS.+ECONOMICS
6th Edition
ISBN: 9781259957598
Author: DOANE
Publisher: RENT MCG
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Chapter 1.5, Problem 14SE

What logical or ethical problems do you see in these hypothetical scenarios?

  1. a. Dolon Privacy Consultants concludes that its employees are not loyal because a few samples of employee e-mails contained comments critical of the company's management.
  2. b. Calchas Financial Advisors issues a glowing report of its new stock market forecasting system, based on testimonials of five happy customers.
  3. c. Five sanitation crew members at Malcheon Hospital are asked try a new cleaning solvent to see if it has any allergic or other harmful side effects.
  4. d. A consumer group rates a new personal watercraft from Thetis Aquatic Conveyances as “Unacceptable" because two Ohio teens lost control and crashed into a dock.
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45. Bullish, Neutral, or Bearish. The American Association of Individual Investors conducts a weekly survey of its members to measure the percent who are bullish, bearish, and neutral on the stock market for the next six months. For the week ending November 7, 2012, the survey results showed 35.0% bullish, 38.6% neutral, and 26.4% bearish. Assume these results are based on a sample of 300 AAII members. A. Over the long term, the proportion of bullish AAII members is .39. Conduct a hypothesis test at the 5% level of significance to see if the current sample results show that bullish sentiment differs from its long-term average of .39. What are your findings?   B. Over the long term, the proportion of bearish AAII members is .30. Conduct a hypothesis test at the 1% level of significance to see if the current sample results show that bearish sentiment is below its long term average of .30. What are your findings?   C. Would you feel comfortable extending these results to all investors?…

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APPLIED STAT.IN BUS.+ECONOMICS

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