X​ = A + ∑fidi/∑fi is the formula to find mean for an ungrouped data. In this formula letter A represents for ​

Question

\(\overline{X}\) = A + \(\frac{∑f_id_i}{∑f_i}\) is the formula to find mean for an ungrouped data. In this formula letter A represents for 

A) Assumed mean 

B) Arithmetic mean 

C) Frequency

D) Deviation value

Answer 1

Correct option is (A) Assumed mean

In formula \(\overline X = A + \frac{\sum f_i d_i}{\sum f_i} ,\) letter A represents for assumed mean.

Answer 2

A) Assumed mean