To answer the question we have used the kaggle dataset “IMDb movies extensive dataset” see https://www.kaggle.com/stefanoleone992/imdb-extensive-dataset. The CSV file contains 85,855 movies with 22 attributes.

The data has been represented with the plotly library to create interactive figures.

• The average film score seems to decrease slightly over time.
• The dispersion of the score increases as time increases.