If the rank correlation co-efficient between marks in Management and Mathematics for a group of students is 0.6 and the sum of the squares of the…
CA Foundation · Quantitative Aptitude · MTP · January 2025
If the rank correlation co-efficient between marks in Management and Mathematics for a group of students is 0.6 and the sum of the squares of the difference in rank is 66. Then what is the number of students in the group ?
Suggested Answer and Working Notes:
Correct Answer: Option (B)
B. 10
Topics: Part-C: Statistics
Related Questions in this Topic
- If P(A) = 1 / 2 , P(B) = 1 / 3 and P(A ∩ B) = 1 / 4 , then the value of P(A ∪ B) is:
- A card is drawn from each of two well-shuffled packs of cards. The probability that at least one of them is an ace is
- A variable is known to be ______ if it can assume any value from a given interval.
- When the data are classified in respect of successive time points, they are known as ______
- The appropriate measure of dispersion for open-end classification is