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निम्नलिखित आँकड़ों की माध्यिका 525 है | x...

निम्नलिखित आँकड़ों की माध्यिका 525 है | x और y का मान ज्ञात कीजिए, यदि कुल बारंबारता 100 है :
`{:("वर्ग-अंतराल","बारंबारता"),(" "0-100," "2),(" "100-200," "5),(" "200-300," "x),(" "300-400," "12),(" "400-500," "17),(" "500-600," "20),(" "600-700," "y),(" "700-800," "9),(" "800-900," "7),(" "900-1000," "4):}`

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