Average Ratings For Films In The Thriller Genre

I researched into average ratings for the films that fit the genre I am studying which is thriller. To do this I looked on the website Rotten Tomatoes. I researched into 10 film ratings listed below:

Shutter Island – 6.6/10

Taken – 5.8/10

The silence of the lambs – 8.5/10

Spectre – 6.5/10

Jurassic Park – 8.3/10

Deadpool – 6.9/10

The Maze Runner – 5.9/10

Legend – 6/10

San Andreas – 5.3/10

The Purge – 5.1/10 

Average Film Rating – 6.49/10