Practice problem

Cumulative Frequency Table

+3 contributors

Contributors

Elise Molinaro
Sarah Walker
Alex Federspiel
Jonathan Heller

Coins for every month. January has 3, February has 9, March has 5, April has 2, May has 7, June has 4, July has 3, August has 2, September has 4, October has 1, November has 6, and December has 4. — Image Source: gepharts3d via Pixabay (License)

Daniel is an avid state coin collector and purchased an album to display his collection of $50$ coins. He bought the album once his cumulative frequency reached $30$ . What month did he purchase the coin collector?