The coefficient of rank correlation of marks obtained by 10 students in English and Economics was found to be 0.5, it was later discovered that the…
CA Foundation · Quantitative Aptitude · MTP · May 2026
The coefficient of rank correlation of marks obtained by 10 students in English and Economics was found to be 0.5, it was later discovered that the difference in ranks in the two subjects obtained by one student was wrongly taken as 3 instead of 7. Find correct coefficient of rank correlation.
Suggested Answer and Working Notes:
Correct Answer: Option (D)
D. 0.260
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