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एक आवृत्ति वितरण की विषमता SK = – 2.8 है । यदि उसका भूयिष्ठक 48.8 हो, तो माध्य ज्ञात करो ।

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SK =\( \overline X\) – MO MO = 48.8 दिया है ।

∴ – 2.8 = \( \overline X\) – 48.8

∴ – 2.8 + 48.8 = \( \overline X\)

\( \overline X\)= 46 माध्य = 46

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