In numbers: Trend shows that on average Test scores are coming down

In the history of Test cricket we have seen various kinds of scores posted in the first innings of a match by both teams. The size of the scores depends largely on the conditions, the pitch, the quality of teams, how strong or fragile the batting order and bowling attack of the teams are etc.

source https://timesofindia.indiatimes.com/sports/cricket/news/in-numbers-trend-shows-that-on-average-test-scores-are-coming-down/articleshow/88736145.cms