Reverse order of samplesize variance test to match usage #3276
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The current
getSampleSize()
function expands thesampleSize
based on checking the variance of subsequent samples from the beginning, but does so in the opposite order to whichgetAverageSlidingWindow()
actually uses the resulting samples - which takes those from the end. This fix corrects the check so that it operates from the end(newest) items of the queue backwards.