JEE Exam  >  JEE Questions  >  The outcome of each of 30 items was observed;... Start Learning for Free
The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -d each, 10 items gave outcome 1/2 each and the remaining 10 items gave outcome 1/2 + d each. If the variance of this outcome data is 4/3 then |d| equals :-
  • a)
    2
  • b)
  • c)
    2/3
  • d)
    √2
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The outcome of each of 30 items was observed; 10 items gave an outcome...
Variance is independent of origin. So we shift the given data by 1/2.

View all questions of this test
Explore Courses for JEE exam
The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer?
Question Description
The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer?.
Solutions for The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
Here you can find the meaning of The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer?, a detailed solution for The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice The outcome of each of 30 items was observed; 10 items gave an outcome 1/2 -deach, 10 itemsgave outcome 1/2each and the remaining10 items gave outcome 1/2 +d each. If thevariance of this outcome data is 4/3 then |d|equals :-a)2b)c)2/3d)√2Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice JEE tests.
Explore Courses for JEE exam
Signup to solve all Doubts
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev