The top movies report uses a weighted rank calculated as follows:
weighted rank (WR) = (v ÷ (v+m)) × R + (m ÷ (v+m)) × C
where:
R = average for the movie (mean) = (Rating)
v = number of votes for the movie = (votes)
m = minimum votes required to be listed in the top 50
(currently 200)
C = the mean vote across the whole report
(currently 6.9)