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The data given in the table shows the number of boys and girls enrolled in three different streams in a school over 5 years. (2012 to 2020)   Years Arts Science Commerce Boys Girls Boys Girls Boys Girls 2012 48 36 40 35 35 45 2014 42 43 42 32 32 42 2016 45 42 38 30 36 38 2018 39 46 41 23 28 34 2020 36 43 39 30 39 41 What is the difference between the average of the number of boys in the commerce stream for the 5 years and the average of the number of the girls in the Arts stream for the 5 years?

The data given in the table shows the number of boys and girls enrolled in three different streams in a school over 5 years. (2012 to 2020)   Years Arts Science Commerce Boys Girls Boys Girls Boys Girls 2012 48 36 40 35 35 45 2014 42 43 42 32 32 42 2016 45 42 38 30 36 38 2018 39 46 41 23 28 34 2020 36 43 39 30 39 41 What is the difference between the average of the number of boys in the commerce stream for the 5 years and the average of the number of the girls in the Arts stream for the 5 years? Correct Answer 8

Total numbers of boys in Commerce = 35 + 32 + 36 + 28 + 39

⇒ 170

Average = 170/5 = 34

Total numbers of girls in Arts = 36 + 43 + 42 + 46 + 43

⇒ 210

Average = 210/5 = 42

So, difference = 42 - 34 = 8

∴ Requried answer is 8

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