CA Foundation Exam  >  CA Foundation Questions  >  Find the coefficient of correlation when its ... Start Learning for Free
Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:?
Most Upvoted Answer
Find the coefficient of correlation when its probable error is 0.2 and...
Calculation of Coefficient of Correlation


Given

Probable error: 0.2

Number of pairs of items: 9


Formula

Coefficient of Correlation (r) = ± √[(6Σd²)/(n(n²-1))]

where, d = difference between two items

n = number of pairs of items


Calculation

Probable error (PE) = ± 0.6745σ/√n

where, σ = standard deviation

0.2 = ± 0.6745σ/√9

σ = 0.2 * 3 / 0.6745

σ = 0.8907


Now, we can calculate the coefficient of correlation:

r = ± √[(6Σd²)/(n(n²-1))]

Since we don't have any data for d, we can use the value of σ:

r = ± √[(6σ²)/(n(n²-1))]

r = ± √[(6*0.8907²)/(9(9²-1))]

r = ± √0.0406

r = ± 0.2014


Answer

The coefficient of correlation when its probable error is 0.2 and the number of pairs of items is 9 is ± 0.2014.
Community Answer
Find the coefficient of correlation when its probable error is 0.2 and...
0.332
Explore Courses for CA Foundation exam
Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:?
Question Description
Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:?.
Solutions for Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:? in English & in Hindi are available as part of our courses for CA Foundation. Download more important topics, notes, lectures and mock test series for CA Foundation Exam by signing up for free.
Here you can find the meaning of Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:? defined & explained in the simplest way possible. Besides giving the explanation of Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:?, a detailed solution for Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:? has been provided alongside types of Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:? theory, EduRev gives you an ample number of questions to practice Find the coefficient of correlation when its probable error is 0.2 and the number of pairs of item is 9:? tests, examples and also practice CA Foundation tests.
Explore Courses for CA Foundation exam

Top Courses for CA Foundation

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev