MCQ
The formula to find the mean deviation ( $\bar{d}$ ) in Assumed mean method is
- A$\bar{d} \frac{\sum f_i d_i}{\sum d_i}$
- B$\sum f_i d_i$
- ✓$\frac{\sum f_i d_i}{\sum f_i}$
- DNone of the above.
✓
Answer
Correct option: C.
$\frac{\sum f_i d_i}{\sum f_i}$
$\frac{\sum f_i d_i}{\sum f_i}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A die is thrown once. The probability of getting an even number is:
In the figure, $\ce{APB}$ is a tangent to a circle with centre $O$ at point $P.$ If $\angle\text{QPB}=50^\circ$ then the measure of $\angle\text{POQ}$ is:
→The area of a sector of a circle with radius $r,$ making an angle of $x^\circ$ at the centre is:
→$PQ$ is a tangent to a circle with centre $O$ at the point $P.$ If $\triangle\text{OPQ}$ is an isosceles triangle, then $\angle\text{OQP}$ is equal to:
→If $\operatorname{cosec} \theta=\frac{61}{60}, \sec \theta=\frac{61}{11}$, then $\cot \theta=$ _______
→Euclid's division lemma sates that for any positive integers $a$ and $b$, there exist unique integers $q$ and $r$ such that $a = bq + r,$ where $r$ must satisfy:
→If the centroid of the triangle formed by the points $(a, b), (b, c)$ and $(c, a)$ is at the origin, then $a^3 + b^3 + c^3 =$
→If 49 x – 57 y = 172 and 57 x – 49 y = 252 then x + y =?
If the length of diagonal of square is $\sqrt{2}$ then what is the length of each side ?
→In the figure, if tangents $PA$ and $PB$ are drawn to a circle such that $\angle\text{APB}=30^\circ$ and chord $AC$ is drawn parallel to the tangent $PB,$ then $\angle\text{ABC} =$
→