Dug a little deeper...
For Final 2 Seasons, the mean percentage of vote received by the winner was 73%.
I noticed a trend of closer votes in the earliest seasons vs those towards the end of when the did final 2.
I figured All Stars is about halfway through the final 2 seasons and the point in which strategy really started to develop.
Borneo to All Stars, the mean percentage of votes received by the winner: 66%
Post All Stars to when they switched to final 3, the mean percentage of votes received: 81%
This is why I assume they switched it up.
For final 3 seasons, the mean percentage of votes received by the winner: 74%.
For final 3 seasons that have a final 4 fire making challenge, the mean percentage of votes recieved: 64%
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