Mathematics · Statistics
एक विज्ञान परीक्षा में छात्रों द्वारा प्राप्त अंकों का बारंबारता बंटन (frequency distribution) नीचे दिया गया है: अंक5-1515-2525-3535-45छात्रों की संख्या20303020 अंकों का समांतर माध्य (arithmetic mean) क्या है?
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सही उत्तर देखें
25
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