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Derek Gleason

hurricane paths

Most hurricanes that reach the United States start off the coast of West Africa. Those storms join and split with other minor systems as they move across the Atlantic. Some dissipate into a mild breeze; others devastate coastal areas along the Eastern seaboard.

So what does an afternoon rainshower over Cape Verde tell you about the next Category 5 hurricane? Often, little more than a form fill tells you about the potential for a five-figure sale months down the road.       

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Hold-out groups

You regularly run A/B tests on the design of a pop-up. You have a process, implement it correctly, find statistically significant winners, and roll out winning versions sitewide.

Your tests answer every question except one: Is the winning version still better than never having shown a pop-up?

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