Testing a new site design
The web team at AcmeContent have been hard at work, developing a new site to encourage visitors to stick around for an extended period of time. They've used all the latest techniques and, as a result, we're pretty confident that the site will show a marked improvement in dwell time.
Rather than launching it to all users at once, AcmeContent would like to test the site on a small sample of visitors first. We've educated them about sample bias, and as a result, the web team diverts a random 5 percent of the site traffic to the new site for one day. The result is provided to us as a single text file containing all the day's traffic. Each row shows the dwell time for a visitor who is given a value of either "0" if they used ...
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