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 =
Last updated on Jul 9, 2025
-> The SSC CGL Notification 2025 for the Combined Graduate Level Examination has been officially released on the SSC's new portal – www.ssc.gov.in.
-> Bihar Police Admit Card 2025 Out at csbc.bihar.gov.in
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.
-> The AP DSC Answer Key 2025 has been released on its official website.