OJS  Vol.2 No.4 , October 2012
Study on the Normal and Skewed Distribution of Isometric Grouping
ABSTRACT
Because of thinking only the number of numbers but not fitting function, it would be adequate to take further afield when calculating group numbers with empirical formula. We have proved the three theorems based on studying the normal distribution, and then reach the conclusion that there is a better method to do the same work. The method is simpler and more practical than empirical method and also works well with any skewed distribution.

Cite this paper
Z. Jia and W. Jia, "Study on the Normal and Skewed Distribution of Isometric Grouping," Open Journal of Statistics, Vol. 2 No. 4, 2012, pp. 447-451. doi: 10.4236/ojs.2012.24056.
References
[1]   Q. N. Xie and Z. Z. Han, “Principle of Statistics,” 6th Edition, Jinan University Press, Jinan, 1991, pp. 53-64.

[2]   C. S. Wu, “Probability and Statistics,” Higher Education Press, Beijing, 2004, pp. 128-144.

[3]   B. H. Qian and L. W. Huang, “Statistics,” Sichuan People’s Publishing House, Chengdu, 2001, p. 107.

[4]   Z. S. Jia. All the proof are published in the Mathematics Practices and Theory, Vol. 40, No. 20, 2011, pp. 238-244

 
 
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