Hey @toml and @TeamYouTube
This is super helpful information to have and is much appreciated!
Knowing WHY something is or isn't working is very powerful!pic.twitter.com/0aIZcMgEHD
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If you go to Channel -> Analytics -> Reach Viewers, and then click on Impressions click-through rate, and then click on the chart itself, you get a detailed view with your video CTR compared. The selector in the top left gives you groups, for further comparison options.
I'll have to take a look. Thank you for getting back to me 
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