| Summary: | 碩士 === 東海大學 === 工業工程研究所 === 83 === The statistical methods are often used to analyze the data sets
in the experiments of science and the management of industry,
the decisions makers always take the results as a reference.
If the analyst neglect of some restricted conditions about the
statistical methods or even suppose that the data sets are
satisfied with the restricted conditions, then the analytic
results will induce some errors or serious mistakes. In
addition,most of the published papers for investigate the
distributions of data sets based on some distribution what they
are interested but this usually will lack of well-considered.
This paper presents a series of researches of the adjudgement
of data models and the transformations of approximating
normality . Recently,many investors put their money in the
stock market. They are very concerned about the tendency of
the price changes. Most of the well- known stock exchanges in
the world have experts to analyze price fluctuation patterns,
but the results sometimes are not the same. In this study, we
examine the distribution of the percentage of price changes in
Taiwan Stock Market. It is hope that the results will be
provided a reference in the industries and the academic areas.
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