Draw a " less than type " ogive and "more than type" ogive for the following distribution and hence obtain the median from the graph
C.I. 20 - 30 30-40 40-50 50-60 60-70 70-80 80-90
Frequency 8 12 24 6 10 15 25

Open in App

Solution

$C . I$ $20 - 30$ $30 - 40$ $40 - 50$ $50 - 60$ $60 - 70$ $70 - 80$ $80 - 90$
$F$ $8$ $12$ $24$ $6$ $10$ $15$ $25$
$C . I$ less than $C . I$ more than $C . I$
$20 - 30$ $8$ $25$
$30 - 40$ $20$ $40$
$40 - 50$ $44$ $50$
$50 - 60$ $50$ $56$
$60 - 70$ $60$ $80$
$70 - 80$ $75$ $92$
$80 - 90$ $100$ $100$

Suggest Corrections

Similar questions

Class – interval:	20 – 30	30 – 40	40 – 50	50 – 60	60 – 70	70 – 80	80 – 90
Frequency:	10	8	12	24	6	25	15

Capital (₹ in lakhs)	:	0-10	10-20	20-30	30-40	40-50	50-60	60-70	70-80
No. of companies	:	2	3	7	11	15	7	2	3

Marks	0-10	10-20	20-30	30-40	40-50	50-60
Number of students	7	10	23	51	6	3

Marks	20-30	30-40	40-50	50-60	60-70	70-80	80-90
No. of students	4	6	10	25	7	5	2

Class	10-20	20-30	30-40	40-50	50-60	60-70	70-80	80-90
Frequency	9	11	15	24	19	9	8	5

Join BYJU'S Learning Program

C.I.	20 - 30	30-40	40-50	50-60	60-70	70-80	80-90
Frequency	8	12	24	6	10	15	25

$C . I$	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$	$70 - 80$	$80 - 90$
$F$	$8$	$12$	$24$	$6$	$10$	$15$	$25$