NCERT Miscellaneous Exercise Q1 - Statistics

Question: The mean and variance of eight observations are 9 and 9.25. If six observations are 6, 7, 10, 12, 12, 13, find the other two.

Answer: Use the known total and sum of squares to form two equations for the unknown observations.

Full step-by-step NCERT solution with diagrams on Something by Zero.