STATISTICS F/BUSINESS+ECONOMICS-TEXT
STATISTICS F/BUSINESS+ECONOMICS-TEXT
13th Edition
ISBN: 9781305881884
Author: Anderson
Publisher: CENGAGE L
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Estimation
A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.
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Chapter 11.1, Problem 8E

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.

Chapter 11.1, Problem 8E, Consider a day when the Dow Jones industrial average went up 149.82 points. The following table

  1. a. Compute the sample variance for the daily price change.
  2. b. Compute the sample standard deviation for the price change.
  3. c. Provide 95% confidence interval estimates of the population variance and the population standard deviation.
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Chapter 11 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT

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