Analyis of movie ratings by category
category average
rating
short7.45
film-noir7.40
documentary7.20
animation6.90
war6.90
drama6.60
romance6.46
musical6.45
western6.43
crime6.30
mystery6.29
comedy6.03
fantasy6.02
family5.95
adventure5.91
thriller5.86
action5.62
sci-fi5.26
horror5.11
  

As could be expected, film-festival type (short, film-noir, documentary, and animated) movies had higher ratings on average than movies which tend to focus on entertainment (adventure, thriller, action, sci-fi, and horror). Following this trend, dramas rated higher than comedies. 

Click on an image below to see the distribution of ratings for movies of a particular genre, compared to movies outside of the genre.

action adventure animation comedy
action adventure animation comedy
crime documentary drama family
crime documentary drama family
fantasy film-noir horror musical
fantasy film-noir horror musical
mystery romance sci-fi short
mystery.jpg romance.jpg sci-fi.jpg short.jpg
thriller war western  
thriller.jpg war.jpg western.jpg