School Commit Init

2024-08-31 12:07:21 +03:00
commit 0b130ee18c
2801 changed files with 4720552 additions and 0 deletions
@@ -0,0 +1,17 @@
+x1=[22.4 21.7 24.5 23.4 21.6 23.3 22.4 21.6 24.8 20.0];
+
+x2=[17.7 14.8 19.6 19.6 12.1 14.8 15.4 12.6 14.0 12.2];
+
+n1=length(x1);
+n2=length(x2);
+
+#oneminusalpha = input("Confidence level: (between 0 and 1)");
+oneminusalpha = 0.95;
+alpha = 1-oneminusalpha;
+
+a1= (mean(x1) - mean(x2) - tinv(1-alpha/2,n1+n2-2)*sqrt(((n1-1)*var(x1)+(n2-2)*var(x2))/(n1+n2-2))*sqrt(1/n1+1/n2));
+
+a2=(mean(x1) - mean(x2) + tinv(1-alpha/2,n1+n2-2)*sqrt(((n1-1)*var(x1)+(n2-2)*var(x2))/(n1+n2-2))*sqrt(1/n1+1/n2));
+
+
+printf("The Confidence interval between population means when sigma1=sigma2 is (%4.3f, %4.3f)\n", a1,a2);