Initial data commit

Task/Cumulative-standard-deviation/VBScript/cumulative-standard-deviation.vb

@@ -0,0 +1,21 @@
+data = Array(2,4,4,4,5,5,7,9)
+
+For i = 0 To UBound(data)
+	WScript.StdOut.Write "value = " & data(i) &_
+		" running sd = " & sd(data,i)
+	WScript.StdOut.WriteLine
+Next
+
+Function sd(arr,n)
+	mean = 0
+	variance = 0
+	For j = 0 To n
+		mean = mean + arr(j)
+	Next
+	mean = mean/(n+1)
+	For k = 0 To n
+		variance = variance + ((arr(k)-mean)^2)
+	Next
+	variance = variance/(n+1)
+	sd = FormatNumber(Sqr(variance),6)
+End Function