Which of the following should be taken as the main features of an ideal average?
1. Easy to Understand and Simple to Compute
2. Rigidly Defined
3. Based on the minimum number of items in the data
4. Not to be Unduly Affected by Extreme Items
5. Capable of Further Algebraic Treatment
6. Less Sampling Stability

A. 2, 4 and 5

B. 1, 3, 4 and 5

C. 1, 2, 4 and 5

D. 2, 3, 4 and 5

Answer: Option C