Rank correlation coefficient between the marks in Mathematics and Statistics obtained by a group of students is 2 and the sum of the square of the difference in ranks is 55. Find the number of students in the group.
Rank correlation coefficient between the marks in Mathematics and Statistics obtained by a group of students is 2 and the sum of the square of the difference in ranks is 55. Find the number of students in the group.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter3: Multi-step Equations And Inequalities
Section: Chapter Questions
Problem 12PTTS
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