Word Count : 392

---

असतत (वितरित) श्रेणी के लिए समांतर माध्य (Harmonic Mean, H) निकालने की परिभाषा है: $H=\dfrac{N}{\sum \dfrac{f_i}{x_i}}$, जहाँ $N=\sum f_i$। नीचे दिए गए आँकड़ों में अंकों (x) के साथ विद्यार्थियों की संख्या (f) दी है: 10(8), 20(21), 30(23), 40(17), 50(15), 60(9), 70(5), 80(2); कुल $N=100$ पहली विधि: प्रत्यक्ष विधि (Direct Method) इस विधि में प्रत्येक वर्ग के लिए $1/x$ तथा $f/x$ निकाले जाते हैं और $\sum _____ _________ _________ ________ _____ ________ ________ ________ ____.
__________ ____ __________ ______ ________ __________ ___ __________ _________ _____ ___.
______ ________ _____ __________ ____ __________ _________ ________ ____ __________ ________ ____.
_________ _______ __________ ____ _______ ___ ____ __________ _____ _________ _____ __________.
_____ _______ _____ ______ _________ ________.
________ _____ _______ ______ __________ ________.
________ __________ ____ ________ ______ _____.
____ _________ _____ ___ ______ ______ ______.
______ ____ ______ ____ __________ _____ _____ ______ _________ ___ _____ ____.
___ ___ ______ _______ ______ __________ _________ __________ ___ _______.
_____ ________ ______ ___ ______ ___ ______ _____ ____ ____.
________ ______ _____ _________ __________ _________ ________ _____ ___ ________ __________.
____ _________ ________ _________ ______.
___ _______ ____ ________ _______ ____ ______ _____.
_______ ______ __________ ________ ______.
________ _______ _______ _______ _______ __________ ________ ______ _________ ______.
_____ _______ _______ __________ ______ _________ ______ _____ _________.
____ _____ ____ ___ _______ ____ _______ ___.
_______ _____ ______ _______ ___ ___ ___ _____ ____ _________.
____ ___ __________ ________ _________ _______ ________ ______ _________ _____.
____ __________ _________ ___ ____ __________ ____.
_________ _____ _______ ________ _______ _______ __________ ____ __________.
_______ _________ _______ __________ ____.
_______ ____ _________ _________ _______ _____ ___ _____ ________ __________ _________ ________.
____ _________ _________ ______ _____ __________ ______ _________ ____ _________ _____ ___.
________ __________ __________ ___ ______ ____ _______.
______ _________ ___ __________ _________ ______ _________.
___ ______ _________ ____ ___ ________.
__________ _________ ______ ________ __________ ________ ____ _____ __________ __________.
_________ ____ __________ _________ ________.
______ _________ ________ _____ _______ ________.
_________ ___ _______ ___ _________ ___ ____ _____ ____.
___ _______ __________ ______ ________ ___ __________ ______ ______ ________ ___.
___ ________ ________ ____ ______ ________ _________ _______ _________ _________ _____.
___ ___ _________ ______ ____ _____ ___ __________ ___ _____ ______.
_______ ____ __________ _________ ______ _______ _______ _________ ____ _________.
________ _____ _________ ________ _________ ________ ____ _______ _________.
____ __________ ___.
Get Full Answer on WhatsApp