/s/ 1 tpw BPI 3 chrmjj 1 zepu 6 w4 q？ pwd= 1234

? Code: 1234 statistics (7th edition) is a series of 2 1 century statistics textbooks compiled by, He and Jin, and published by Renmin University of China Press on 20 18. It is an undergraduate textbook of the 12th Five-Year Plan, a textbook recommended by the Ministry of Education and an excellent statistical textbook of the National Bureau of Statistics.

The textbook consists of 14 chapters, including introduction, data collection, graphic display of data, general measurement of data, probability and probability distribution, statistics and its sampling distribution, parameter estimation, hypothesis testing, classified data analysis, variance analysis, linear regression of one variable, multiple linear regression, time series analysis and prediction, and index.