From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

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 331/CH8/EX8.16/Example_8_16.sce | 58 +++++++++++++++++++++++++++++++++++++++++
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diff --git a/331/CH8/EX8.16/Example_8_16.sce b/331/CH8/EX8.16/Example_8_16.sce
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+//One-tailed Tests Concerning Difference between Two Means
+//(When the variances of the Populations are Known)
+//Example8.16
+//page256
+//Test 1: Ho:u1<=u2 or u1-u2<=0
+//        H1: u1>u2 or u1-u2>0
+clc;
+Sigma1 = input('Enter the variance of population1')
+Sigma2 = input('Enter the varinace of population2')
+n1 = input('Enter the sample size taken from population1')
+n2 = input('Enter the sample size taken from population2')
+X1 = input('Enter the mean of the sample1')
+X2 = input('Enter the mean of the sample2')
+alpha = input('Enter the significance level')
+Test = input('Enter the Type of test')
+//Calculation of Z statistic 
+Z_X1_X2 = Norm_Dis_Diff_Two_Mean(X1,X2,Sigma1,Sigma2,n1,n2)
+disp(Z_X1_X2,'calculated Normal Z-statistic =')
+Z_alpha = standard_normal_zstat(alpha)
+disp(Z_alpha,'Standard Normal Stastistic=')
+if (Test==1) then
+    if(Z_X1_X2 < Z_alpha) then
+        disp('It falls in the Acceptance Region')
+        disp('Then Null Hypothesis Ho should be Accepted')
+     elseif(Z_X1_X2 > Z_alpha) then
+        disp('It falls in the Rejection Region')
+        disp('Then Null Hypothesis Ho should be Rejected')
+    end
+elseif (Test==2) then
+    if(Z_X1_X2 >-Z_alpha) 
+        disp('It falls in the Acceptance Region')
+        disp('Then Null Hypothesis Ho should be Accepted')
+     elseif(Z_X1_X2<-Z_alpha)
+        disp('It falls in the Rejection Region')
+        disp('Then Null Hypothesis Ho should be Rejected')
+    end
+end
+//Result
+//Enter the variance of population1 9
+//Enter the varinace of population2 4
+//Enter the sample size taken from population1 49
+//Enter the sample size taken from population2 64
+//Enter the mean of the sample1 7
+//Enter the mean of the sample2 6
+//Enter the significance level 0.05
+//Enter the Type of test 1
+// 
+// calculated Normal Z-statistic =   
+// 
+//    2.0154841  
+// 
+// Standard Normal Stastistic=   
+// 
+//    1.64  
+// 
+// It falls in the Rejection Region   
+// 
+// Then Null Hypothesis Ho should be Rejected 
\ No newline at end of file
-- 
cgit