-a-137and minus-354-b- minus- 52 and 52-c- minus-312- 39 and 192-d- minus- 50- minus- 200 and 300

$\begin{matrix} C l a s s I n t e r v a l & N u m b e r o f F r e q u e n c y (f_{i}) & C l a s s m a r k (x_{i}) & d_{i} = x_{i} - a & u_{i} = \frac{d_{i}}{h} 0 - 100 & 40 & 50 & - 200 & D . . . . . . 100 - 200 & 39 & 150 & B . . . . . & E . . . . . 200 - 300 & 34 & 250 & 0 & 0 300 - 400 & 30 & 350 & 100 & 1 400 - 500 & 45 & 450 & C . . . . . & F . . . . . . T o t a l & A = \sum f_{i} = . . . . . . \end{matrix}$

Find the value of A, B, C, D, E and F respectively.

Find the sum of:

$- 50, - 200$ and $300$

Join BYJU'S Learning Program

(a) 137and −354 (b) − 52 and 52(c) −312, 39 and 192 (d) − 50, − 200 and 300

(a) 137 +(âˆ’354) = âˆ’217(b) âˆ’52+ 52 = 0(c) âˆ’312+ 39 + 192 = âˆ’312 + 231 = âˆ’81(d) âˆ’50+ (âˆ’200) + 300 = âˆ’250 + 300 = 50

(a) 137and −354 (b) − 52 and 52
(c) −312, 39 and 192 (d) − 50, − 200 and 300

(a) 137 +(âˆ’354) = âˆ’217
(b) âˆ’52+ 52 = 0
(c) âˆ’312+ 39 + 192 = âˆ’312 + 231 = âˆ’81
(d) âˆ’50+ (âˆ’200) + 300 = âˆ’250 + 300 = 50