pythoncoder40
diff --git a/‎thinkplot/__init__.py‎
100755100644 b/‎thinkplot/__init__.py‎
100755100644
diff --git a/‎thinkplot/thinkplot.py‎
100755100644 b/‎thinkplot/thinkplot.py‎
100755100644
diff --git a/‎thinkstats2/__init__.py‎
100755100644 b/‎thinkstats2/__init__.py‎
100755100644
diff --git a/‎thinkstats2/thinkstats2.py‎
Lines changed: 1 addition & 1 deletion b/‎thinkstats2/thinkstats2.py‎
Lines changed: 1 addition & 1 deletion
@@ -1225,7 +1225,7 @@ def PercentileRanks(self, xs):
 
         returns: array of percentile ranks in the range 0 to 100
         """
-        return self.Probs(x) * 100
+        return self.Probs(xs) * 100
 
     def Random(self):
         """Chooses a random value from this distribution."""