Mathematics · Statistics
छात्रों के एक समूह द्वारा प्राप्त अंकों के निम्नलिखित आवृत्ति वितरण पर विचार करें: अंक: 0-10, 10-20, 20-30, 30-40, 40-50, 50-60 छात्रों की संख्या: 4, 7, 16, 13, 12, 8 यदि 'x' माध्यिका वर्ग (median class) की निचली सीमा है और 'y' बहुलक वर्ग (modal class) की ऊपरी सीमा है, तो x + y5 का मान ज्ञात कीजिए।
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