please solve this full....plzzz
20. represent the following data on faculty-wise distribution of students of a collage for 3 different years by multiple bar diagram.
Years | Arts | Commerce | Science |
2005 | 540 | 325 | 250 |
2006 | 650 | 410 | 275 |
2007 | 730 | 520 | 350 |
21. What are the main limitations of statistics?
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