diff --git a/src/main/java/info/istlab/Zemi01/numeric/NormalDistribution.java b/src/main/java/info/istlab/Zemi01/numeric/NormalDistribution.java
index a39e1fc..5a95624 100644
--- a/src/main/java/info/istlab/Zemi01/numeric/NormalDistribution.java
+++ b/src/main/java/info/istlab/Zemi01/numeric/NormalDistribution.java
@@ -111,8 +111,8 @@
 		points = new ArrayList<Point2D>();
 		Random rand = new Random();
 		for (int i = 0; i < 7; i++) {
-			int randx = rand.nextInt(-40, 40);
-			int randy = rand.nextInt(-10,0);
+			int randx = rand.nextInt(80)-40;
+			int randy = rand.nextInt(10)*-1;
 			points.add(new Point2D.Double(randx, randy));
 		}
 	}
diff --git a/src/main/java/info/istlab/Zemi01/numeric/WelchTTestGUI.java b/src/main/java/info/istlab/Zemi01/numeric/WelchTTestGUI.java
index 1e92700..9748674 100644
--- a/src/main/java/info/istlab/Zemi01/numeric/WelchTTestGUI.java
+++ b/src/main/java/info/istlab/Zemi01/numeric/WelchTTestGUI.java
@@ -311,8 +311,8 @@
 
 		Random rand = new Random();
 		for (int i = 0; i < 7; i++) {
-			int randx = rand.nextInt(-40 + offsetx, 40 + offsetx);
-			int randy = rand.nextInt(-10 + offsety, offsety);
+			int randx = rand.nextInt(80) - 40 + offsetx;
+			int randy = rand.nextInt(10) * -1 + offsety;
 			points.add(new Point2D.Double(randx, randy));
 		}
 		updateNormDist();
@@ -386,12 +386,14 @@
 					(int) (-wtest.getHeight() / 2 + 56 - wtest.offset.getY()));
 
 		} else {
-			g2d.drawString("μ = " + String.format("%6.4f", xavg), (int) (-wtest.getWidth() / 2 + 10 - wtest.offset.getX()),
+			g2d.drawString("μ = " + String.format("%6.4f", xavg),
+					(int) (-wtest.getWidth() / 2 + 10 - wtest.offset.getX()),
 					(int) (-wtest.getHeight() / 2 + 20 - wtest.offset.getY()));
 			g2d.drawString("σ = " + String.format("%6.4f", Math.sqrt(xvarp)),
 					(int) (-wtest.getWidth() / 2 + 10 - wtest.offset.getX()),
 					(int) (-wtest.getHeight() / 2 + 38 - wtest.offset.getY()));
-			g2d.drawString("σ^2 = " + String.format("%6.4f", xvarp), (int) (-wtest.getWidth() / 2 + 10 - wtest.offset.getX()),
+			g2d.drawString("σ^2 = " + String.format("%6.4f", xvarp),
+					(int) (-wtest.getWidth() / 2 + 10 - wtest.offset.getX()),
 					(int) (-wtest.getHeight() / 2 + 56 - wtest.offset.getY()));
 		}