Question
Download Solution PDFদুটি চলক X এবং Y এর মধ্যে পারস্পরিক সম্পর্কের সহগ হল 0.48। সহসহগ হল 36। X এর প্রকরণ হল 16। Y এর আদর্শ বিচ্যুতি হল:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত
σx = √16 = 4
r = 0.48
সহসহগ = ∑xy/N = 36
সূত্র
সহসহগ = ∑xy/N
r = ∑xy/N.σx x σy
গণনা
প্রশ্নানুসারে
⇒ 0.48 = 36/4 x σy
⇒ σy = 9/0.48
∴ Y-এর আদর্শ বিচ্যুতি (σy) হল 18.75
Last updated on Jun 13, 2025
-> The SSC CGL Notification 2025 has been released on 9th June 2025 on the official website at ssc.gov.in.
-> The SSC CGL exam registration process is now open and will continue till 4th July 2025, so candidates must fill out the SSC CGL Application Form 2025 before the deadline.
-> 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.
-> Candidates should also use the SSC CGL previous year papers for a good revision.