Mathematics · Statistics
100 प्रेक्षणों का मानक विचलन (standard deviation) 10 है। यदि प्रत्येक प्रेक्षण में 5 जोड़ दिया जाए और फिर उसे 20 से भाग दिया जाए, तो नया मानक विचलन क्या होगा?
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