ICSE Class 10 Answered

$begin mathsize 12px style Draw space an space ogive space and space left parenthesis straight i right parenthesis space Find space median left parenthesis ii right parenthesis space The space number space of space students space who space failed ? left parenthesis iii right parenthesis space The space number space of space students space who space secured space more space than space 85 space marks ? end style$

Asked by Topperlearning User | 07 Nov, 2017, 01:09: PM

Expert Answer

$left parenthesis straight i right parenthesis space space space Here comma space straight n equals 200 rightwards double arrow straight n over 2 equals 100 space space space space space space space Hence comma space median space marks space will space be space 57.5 space as space the space straight x minus coordinate space corresponding space to space 100 space is space 57.5. space space left parenthesis ii right parenthesis space The space number space of space students space who space failed space is space 46 comma space which space is space the space straight y minus coordinate space corresponding space space space space space space space to space 40 space marks. space left parenthesis iii right parenthesis space Number space of space students space who space secured space more space than space 85 space marks space left parenthesis grade space one right parenthesis space space space space space space space equals space Total space number space of space students space – space 184 space space space space space space space equals space 200 space – space 184 space space space space space space space equals space 16$