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"Conversion Rate" with the "Confidence Interval" VS "Conversion Rate" and "Difference Interval"

pcward 09-15-15

"Conversion Rate" with the "Confidence Interval" VS "Conversion Rate" and "Difference Interval"

Hello,

On the results page I am seeing two different approaches to the conversion rate.  On some results I am seeing "Conversion Rate" with the "Confidence Interval", while on other results I am seeing "Conversion Rate" and "Difference Interval".

 

Why are there two different ways of displaying the conversion rate?

 

Thanks!

Level 2

brianlang 09-16-15
 

Re: "Conversion Rate" with the "Confidence Interval" VS "Conversion Rate&qu

They answer two different questions:

"What is the range of plausible values [conversion rate] for each variation?"

"What is the range of plausible values of the magnitude of effect [absolute difference in conversion rate between the original and each variation]"

Brian Lang
twitter.com/cometrico
pcward 09-16-15
 

Re: "Conversion Rate" with the "Confidence Interval" VS "Conversion Rate&am

[ Edited ]

Thank you for the response @brianlang. My question is not what they mean, but why are my result reports different? Was there a platform release that changed the away those results are displayed?

Level 2