From 6a00584715c76d4a649478b9ec5ca19bf1f922a0 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <raymond.hettinger@gmail.com>
Date: Tue, 3 May 2022 03:17:14 -0500
Subject: [PATCH] The stdev calculation is more accurate computing its own mean

---
 Lib/statistics.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Lib/statistics.py b/Lib/statistics.py
index f3bc9a1f346397..6e6d62c4a0e263 100644
--- a/Lib/statistics.py
+++ b/Lib/statistics.py
@@ -1173,8 +1173,7 @@ def from_samples(cls, data):
         "Make a normal distribution instance from sample data."
         if not isinstance(data, (list, tuple)):
             data = list(data)
-        xbar = fmean(data)
-        return cls(xbar, stdev(data, xbar))
+        return cls(mean(data), stdev(data))
 
     def samples(self, n, *, seed=None):
         "Generate *n* samples for a given mean and standard deviation."