The given bar graph represents the number of students who appeared in the board examinations in session 2017-18 and 2018-19. Study the graph and answer the question that follows.
The difference between the average number of students of Science and Humanities streams in 2017-2018 and that in Commerce and Vocational in 2018-19, is:
Answer & explanation
Correct answer: option 3
Average number of students of Science and Humanities streams in 2017-2018
= \(\frac{25+53 }{2 }\)
= \(\frac{78 }{2 }\)
= 39
Average number of students of Commerce and Vocational in 2018-19
= \(\frac{48+38 }{2 }\)
= \(\frac{86 }{2 }\)
= 43
Difference between the average number of students of Science and Humanities streams in 2017-2018 and that in Commerce and Vocational in 2018-19
= 43 - 39
= 4