Who is the intended user for this? Pretty much anyone can calculate a mean and standard deviation without a bespoke website.
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vibe coded - I dont know where in the training set the Ai learnt to call everything "professional", maybe too much linkedin cringe in the dataset but it picked up the habbit and it stuck.
Just yesterday I told Claude “If you have to say it, it's probably not true” - it of course told me I am right.