Question

An automatic filling machine was tested for its performance. A sample of 100 filled packets generated the data, which is classified as follows :

Weight (in gm)	485 - 490	490 - 495	495 - 500	500 - 505	505 - 510	510 - 515
No. of packets	12	18	20	22	24	4

Draw histogram and hence find the mode of the weight of packets.

• A. $501.50$
• B. $505.45$
• C. $500.55$
• D. $506.60$

Answer 1

The correct option is B $505.45$

Weight	$485-490$	$490-495$	$495-500$	$500-505$	$505-510$	$510-515$
no of packets	$12$	$18$	$20$	$22$	$24$	$4$

Mode $\approx 505.45$