Histogram 1: https://youtu.be/eaxo7OJD1d0
Histogram and Frequency polygon: https://youtu.be/YOA344zHhIU
Cumulative frequency Curve (Ogive): https://youtu.be/0tZPATtpX8o
Other statistic topics: https://www.youtube.com/playlist?list=PLYwM9CzPztOnxxg2Y1hpVHrXW3Suuy7BI