2 files changed, 3 insertions, 1 deletions
diff --git a/stddev b/stddev
index 891c4c9..5cda0e0 100755
--- a/stddev
+++ b/stddev
@@ -25,7 +25,7 @@ cached.each { |v|
   var += (avg - v)**2
 }
 
-stddev = Math.sqrt(var)
+stddev = Math.sqrt(var/i.to_f)
 
 if cfg[:round] >= 0
   puts stddev.round cfg[:round]
diff --git a/var b/var
index 30c638a..fe4aa22 100755
--- a/var
+++ b/var
@@ -26,6 +26,8 @@ cached.each { |v|
   var += (avg - v)**2
 }
 
+var /= i.to_f
+
 if cfg[:round] >= 0
   puts var.round cfg[:round]
 else