upd

ex7.1/main.py

@@ -0,0 +1,21 @@
+
+def main() -> None:
+    with open("data.txt", 'r') as data:
+        nums = [int(v) for v in data]
+        # print(sum(nums))
+        n = len(nums)
+        x_m = sum(nums) / n
+        print(f"x_m = {x_m}")
+        s_shifted = 0
+
+        for v in nums: s_shifted += (x_m - v) ** 2
+
+        s_shifted = s_shifted / n
+
+        s_unshifted = s_shifted * n / (n - 1)
+
+        print(f"смещенная дисперсия = {s_shifted}")
+        print(f"несмещенная дисперсия = {s_unshifted}")
+
+if __name__ == "__main__":
+    main()