Manual A/B tests (free calculators inside)

From time to time you do A/B testing manually, or you do it offline.
You have some data, you put them into a spreadsheet and then decide what variant won based on percentages of conversion.

Here's the pitfall.
The formula of statistical significance is too complicated.
But without it, you can't rely on your conclusions.
The confidence level may be too low to choose a winner correctly.

Here's a free solution -
2 free online calculators for your manually collected data:
1. A tool by Kissmetrics
2. And another one by Survey System

Source: getdatadriven.com


Cheers,
Charlie Patel ;)



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