IRaCIS.Core.Application/Service/Reading/Dto/ReadingCalculateViewModel.cs

@@ -301,15 +301,10 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
         public decimal? LipidAngle { get; set; }
 
 
-        public decimal? Avg
-        {
-            get
-            {
-                var values = new[] { FirstData, SecondData, ThirdData };
-                var avg = values.Where(x => x.HasValue).Select(x => x.Value).DefaultIfEmpty(0).Average();
-                return avg;
-            }
-        }
+        public decimal? Avg { get {
+
+                return (  FirstData + SecondData  + ThirdData) / 3;
+            } }
     }