The co-efficient of rank correlation of marks obtained by 10 students in statistics and accountancy was found to be 0.2. It was later discovered that the difference in ranks in the two subjects obtained by one of the students was wrongly taken as 9 instead of 7. Find the correct value of co-efficient of rank correlation.
The co-efficient of rank correlation of marks obtained by 10 students in statistics and accountancy was found to be 0.2. It was later discovered that the difference in ranks in the two subjects obtained by one of the students was wrongly taken as 9 instead of 7. Find the correct value of co-efficient of rank correlation.
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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Transcribed Image Text:The co-efficient of rank correlation of marks obtained by 10 students
in statistics and accountancy was found to be 0.2. It was later discovered
that the difference in ranks in the two subjects obtained by one of the
students was wrongly taken as 9 instead of 7. Find the correct value of
co-efficient of rank correlation.
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