X = A + ∑fidi/∑fi is the formula to find mean for an ungrouped data. In this formula letter A represents for
\(\overline{X}\) = 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
5 views
2 Answers
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.
5 views
Answered