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> The chart above shows our average conversion per cost over the lifetime of our adverts. The average was 3.25, meaning we were being told for every £1 we spend
by kristofferR 5y ago
> The chart above shows our average conversion per cost over the lifetime of our adverts. The average was 3.25, meaning we were being told for every £1 we spend, a user spent £3.25. Sounds amazing right? Just spend more money on adverts, surely. Nope. We turned off all adverts. Sales increased.
This isn't really valuable without more and better information. The post is almost totally devoid of data.
For all I, and maybe he, knows, sales might have increased more if he kept advertising.
- marcosdumay 5y agoYou can't do an statistically correct test on everything. At some point you have to just assume something (yeah, even when doing a formal test). Here he assumed that, given there was no new fact on the short period he analyzed, he could expect short term trend to stay the same if he did nothing. It's a perfectly reasonable assumption.