Assignment Questions, 20101 - Nalanda Open University

COMMERCIAL ARITHMETIC AND ELEMENTARY STATICTICS(Optional Paper-III)Answer Any Two Questions.(lHkh iz'u 10-10 vadska ds gSa)1. Construct a frequency Polygon from the following data:-fuEufyf[kr leadksa ls vko`fÙk cgqHkqt dh jpuk dhft;s %&Class ¼oxZ½ ` 0-10 10-20 20-30 30-40 40-50Frequency ¼vko`fÙk½ 10 15 20 10 52. Find the Arthmetic mean from the following data:-fuEufyf[kr forj.k dk ek/; Kkr djsa%&Marks more than 20 30 40 50 60 70¼izkIrkad ls vf/kd½No. of students 70 63 40 40 18 7¼Nk=ksa dh la[;k½3. There are five subjects in an Examination and full marks in each subject are equal. Themarks obtained by a student in these subjects are in the ratio at 3:4:5:6:7. If the student gets3/5 of total full marks. State the number of subjects in which he gets more than half of thefull marks.fdlh ijh{kk esa ik¡p fo"k; gSa vkSj lcds iw.kkZad leku gSa A ,d fo|kFkhZ dks mu fo"k;ksa esa izkIrvad 3%4%5%6%7% ds vuqikr esa gS A ;fn mldks izkIr dqy vad dqy iw.kkZadksa dk 3@5 gS rks mlusfdrus fo"k;ksa esa vk/kk ls vf/kd vad izkIr fd;k A