Statistical Analysis on the Differences of Writing Style\\Between First 80 Chapters and Last 40 Chapters in \\《Dream of Red Mansions》\\(An Application of Equivalent Test on Two Independent\\Binomial Populations)

Based on data analysis, using the theory and method of ``equivalent test on two independent binomial populations'', this paper provides a strong evidence that there are significant differences on the writing of sights between first 80 chapters and last 40 chapters in 《Dream of Red Mansions》. The confidence probability of this conclusion is greater than 98\%.