[#BloombergLP-bdlsta-Moment-0a-meanIfValid]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlsta.adoc[bdlsta]::xref:BloombergLP/bdlsta/Moment-0a.adoc[Moment<BloombergLP::bdlsta::MomentLevel::e_M3>]::meanIfValid
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:mrdocs:

Load into the specified `result`, the mean of the data set. Return 0 on success, and a non‐zero value otherwise. Specifically, `e_INADEQUATE_DATA` is returned if `1 > count`.

== Synopsis

Declared in `<bdlsta_moment.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
meanIfValid(double* result) const;
----


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