The two lines of regression are given by 8x + 10y = 25 and 16x + 5y = 12 respectively. If the variance of x is 25, what is the standard deviation of…
CA Foundation · Quantitative Aptitude · MTP · September 2024
The two lines of regression are given by 8x + 10y = 25 and 16x + 5y = 12 respectively. If the variance of x is 25, what is the standard deviation of y?
Suggested Answer and Working Notes:
Correct Answer: Option (A)
A. 16
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