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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter8: Polynomials
Section8.4: Special Products
Problem 21PPS
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