NCERT Miscellaneous Exercise Q2 - Statistics
Question: The mean and variance of seven observations are 8 and 16. If five observations are 2, 4, 10, 12, 14, find the other two.
Answer: Use Sum xi = 56 and Sum xi^2 = 7(16+64) to solve for the two unknowns.
Full step-by-step NCERT solution with diagrams on Something by Zero.