Question

The arithmetic mean of the data \(0,1,2,\ldots,n\) with frequencies \(1,{}^nC_1,{}^nC_2,\ldots,{}^nC_n\) is

• A. \(n\)
• B. \(\dfrac{2^n}{n}\)
• C. \(n+1\)
• D. \(\dfrac{n}{2}\)

Hint:

Use binomial identities.

Answer 1

The Correct Option is D