NCERT Exercise 13.2 Q2 - Statistics
Question: Find mean and variance of the first n natural numbers.
Answer: Mean = (n+1)/2; variance = (n^2-1)/12.
Full step-by-step NCERT solution with diagrams on Something by Zero.
Question: Find mean and variance of the first n natural numbers.
Answer: Mean = (n+1)/2; variance = (n^2-1)/12.
Full step-by-step NCERT solution with diagrams on Something by Zero.