RSD formula correction

Author: knithinc

CanaryValidator/Canary.Utilities.psm1

@@ -136,7 +136,7 @@ function Get-CanaryLonghaulResult
                                             @{Expression={[math]::Round(($_.Group | Where-Object Result -eq "PASS" | ForEach-Object {((Get-Date $_.EndTime) - (Get-Date $_.StartTime)).TotalMilliseconds} | Measure-Object -Maximum).Maximum, 0)};Label="MaxTime`n[msecs]"; Align = "Left"},
                                             @{Expression={[math]::Round(($_.Group | Where-Object Result -eq "PASS" | ForEach-Object {((Get-Date $_.EndTime) - (Get-Date $_.StartTime)).TotalMilliseconds} | Measure-Object -Average).Average, 0)};Label="AvgTime`n[msecs]"; Align = "Left"},
                                             @{Expression={$pCount = ($_.Group | Where-Object Result -eq "PASS").Count; $times = ($_.Group | Where-Object Result -eq "PASS" | ForEach-Object {((Get-Date $_.EndTime) - (Get-Date $_.StartTime)).TotalMilliseconds}); $avgTime = ($times | Measure-Object -Average).Average; $sd = 0; foreach ($time in $times){$sd += [math]::Pow(($time - $avgTime), 2)}; [math]::Round([math]::Sqrt($sd/$pCount), 0)};Label="StdDev"; Align = "Left"},
-                                            @{Expression={$pCount = ($_.Group | Where-Object Result -eq "PASS").Count; $times = ($_.Group | Where-Object Result -eq "PASS" | ForEach-Object {((Get-Date $_.EndTime) - (Get-Date $_.StartTime)).TotalMilliseconds}); $avgTime = ($times | Measure-Object -Average).Average; $sd = 0; foreach ($time in $times){$sd += [math]::Pow(($time - $avgTime), 2)}; [math]::Round(([math]::Round([math]::Sqrt($sd/$pCount), 2)/$avgTime), 0) * 100};Label="RelativeStdDev`n[Goal: <50%]"; Align = "Left"}
+                                            @{Expression={$pCount = ($_.Group | Where-Object Result -eq "PASS").Count; $times = ($_.Group | Where-Object Result -eq "PASS" | ForEach-Object {((Get-Date $_.EndTime) - (Get-Date $_.StartTime)).TotalMilliseconds}); $avgTime = ($times | Measure-Object -Average).Average; $sd = 0; foreach ($time in $times){$sd += [math]::Pow(($time - $avgTime), 2)}; [math]::Round(([math]::Round([math]::Sqrt($sd/$pCount), 0)/$avgTime), 0) * 100};Label="RelativeStdDev`n[Goal: <50%]"; Align = "Left"}
 }
 
 function Start-Scenario