From 7834d078b9feabbd10c761b017a7df34111a9c48 Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Wed, 6 May 2020 21:24:39 +0200
Subject: [PATCH] fix significance bug fix

---
 Math/Stochastic/Distribution/ZTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Math/Stochastic/Distribution/ZTest.php b/Math/Stochastic/Distribution/ZTest.php
index c7f4464a0..271d48d44 100644
--- a/Math/Stochastic/Distribution/ZTest.php
+++ b/Math/Stochastic/Distribution/ZTest.php
@@ -61,7 +61,7 @@ final class ZTest
             }
         }
 
-        return $z > -$key && $z < $key;
+        return $z > -$zSignificance && $z < $zSignificance;
     }
 
     /**