//Caption:Two-tailed Test Concerning Single Mean //(When the variance of the Population is Known and the Population is finite) //Example8.6 //Page240 //Test: Ho:u=k; H1:u!=k clc; N = input('Enter the population size') u = input('Enter the Population Mean'); Sigma2 = input('Enter the Populaion variance'); std = sqrt(Sigma2); //standard deviation n = input('Enter the Sample Size'); X = input('Enter the Sample Mean'); alpha = input('Enter the significance level'); alpha = alpha/2; //Calculation of Z statistic Zx = nor_dist_stat_finite_po(X,u,std,n,N) disp(Zx,'calculated Normal Z-statistic =') Z_alpha = standard_normal_zstat(alpha) disp(Z_alpha,'Standard Normal Stastistic=') if ((-Z_alpha < Zx) &(Zx< Z_alpha)) then disp('It falls in the Acceptance Region') disp('Then Null Hypothesis Ho should be Accepted') else disp('It falls in the Rejection Region') disp('Then Null Hypothesis Ho should be Rejected') end //Result //Enter the population size 1000 //Enter the Population Mean 10000 //Enter the Populaion variance 490000 //Enter the Sample Size 36 //Enter the Sample Mean 10250 //Enter the significance level 0.01 // // calculated Normal Z-statistic = // // 2.1814107 // // Standard Normal Stastistic= // // 2.57 // // It falls in the Acceptance Region // // Then Null Hypothesis Ho should be Accepted //