Essentials Of Statistics For Business & Economics
Essentials Of Statistics For Business & Economics
9th Edition
ISBN: 9780357045435
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: South-Western College Pub
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Chapter 11.1, Problem 8E

Variability in Daily Change in Stock Price. Consider a day when the Dow Jones Industrial Average went up 149.82 points. The following table shows the stock price changes for a sample of 12 companies on that day.

  1. a. Compute the sample variance for the daily price change.
  2. b. Compute the sample standard deviation for the price change.

Chapter 11.1, Problem 8E, Variability in Daily Change in Stock Price. Consider a day when the Dow Jones Industrial Average

  1. c. Provide 95% confidence interval estimates of the population variance and the population standard deviation.
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Chapter 11 Solutions

Essentials Of Statistics For Business & Economics

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