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Statistical Methods for Six Sigma and Quality

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According to the Japanese National Land Agency, average land prices in central Tokyo soared 49% in the first six months of 1995. An international real estate investment company wants to test this claim against the alternative that the average price did not rise by 49%, at a 0.01 level of significance. (sample size 18, average 38%, standard deviation is 14). If the answer is yes, the investment company would claim a bulls-market and sell some of its holdings to avoid potential fall-downs. Should the investment company do so?

Expectations:

1. Answer questions with clarity and show the detailed steps for calculation

Chapter 12 Testing for statistical significant change using Variable Data

Brussee, Warren (2004) Statistics for Six Sigma Made Easy, Publisher: McGraw-Hill
ISBN: 9780071433853

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Solution Summary

This solution provides a sample completion of the given Six Sigma question in Excel.

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