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September 29th, 2014, 01:54 AM   #1
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A laymans description of Standard Deviation


I am writing a report for the layman where I am looking at changes in various metrics. What I want to explain is that some changes are in-line with normal fluctuations and so the overall upwards or downwards change isnt really noteworthy. I was using the term 'in-line with expectations' however the underlying trend might not atually be what was expected and I want to be cautious. What I would like to explain is that the change is within 1 standard deviation but without using the term 'standard deviation' as I think this might switch those not familiar with statistics off.

Any ideas how I could describe this anyone?

Many thanks,
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September 29th, 2014, 01:11 PM   #2
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'within normal variation'
'within normal bounds'
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September 29th, 2014, 01:39 PM   #3
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We expect that the result will fall in the range X..Y, and these results are within expected bounds (or tolerance, etc.).
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