$(15$ pts$)$ Use the pipe operator to:

Create a new variable called post$\_$lag that measures the duration between when a song becomes available on YouTube and the original release date of the song.

Group the data by album name

Create a new statistic called avg$\_$lag that measures the average post$\_$lag for songs, by album.

Which album has the highest average post$\_$lag? Why do you think this is the case?