Mathematics · Statistics
25 प्रेक्षणों (observations) का माध्य और मानक विचलन (standard deviation) क्रमशः 42 और 5 दिए गए थे। बाद में यह पाया गया कि एक प्रेक्षण को गलती से 10 दर्ज कर लिया गया था, जबकि उसका सही मान 210 था। सही मानक विचलन क्या होगा?
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