Question
Download Solution PDFयदि 10 प्रेक्षणों का योग 12 है और उनके वर्गों का योग 18 है, तो मानक विचलन है:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसही उत्तर 3/5 है।
Key Points
मानक विचलन =
इसलिए, प्रसरण V(X) =
या,
दिया गया है, 10 प्रेक्षणों का योग 12 है और उनके वर्गों का योग 18 है।
इस प्रकार, n = 10,
इसलिए, माध्य
इस सूचना को प्रसरण V (X) के समीकरण में रखने पर, हमें प्राप्त होता है
= 1.8 - 1.44
=0.36
इसलिए, अभीष्ट मानक विचलन =
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