Study the following table and answer the question:-
Numbers of students appeared (A) and passed (P) in an annual examination from four schools P, Q, R and S in five years (2014 to 2018).
Find the difference in avg. no. of students passed from Q in (2014 and 2016) and avg. no. of students passed from P in same years.
Answer & explanation
Correct answer: option 2
Total students passed from Q in 2014 and 2016 = 340 + 288 = 628
Avg. = \(\frac{628}{2}\) = 314
Total no. of students passed from P in 2014 and 2016 = 240 + 286 = 526
Avg. = \(\frac{526}{2}\) = 263
difference = 314 - 263 = 51