I made a bookmarklet for easily calculating statistical significance, specifically for this use case. After enabling the bookmarklet, you click the numbers you

I made a bookmarklet for easily calculating statistical significance, specifically for this use case. After enabling the bookmarklet, you click the numbers you need and then it sends it to an A/B testing calculator hosted by the folks who made ABBA Project: https://github.com/yahelc/ABBA-bookmarklet https://github.com/yahelc/ABBA-bookmarklet Sends to here: http://www.thumbtack.com/labs/abba/ http://www.thumbtack.com/labs/abba/