public static Task<float> StandardDeviationPopulationAsync(
	this IMongoQueryable<float> source,
	CancellationToken cancellationToken = null
)

<ExtensionAttribute>
Public Shared Function StandardDeviationPopulationAsync ( 
	source As IMongoQueryable(Of Single),
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Single)

[<ExtensionAttribute>]
static member StandardDeviationPopulationAsync : 
        source : IMongoQueryable<float32> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken null
*)
-> Task<float32>