Find the mean deviation about the mean the data in x-i-1030507090f-i-42428168

Question

Toppr Admin · Accepted Answer

Xff1x1-x2212-dm-x2223-x2223-x-x2212-xAF-xAF-xAF-xm-x2223-x2223-f-x-x2212-xm-1044024-259730247204-25102502814015-754417016112035-75572908-x2013-720-x2013-x2013-x2013-x2013-55-75-x2013-x2013-x2013-x2013-x2013-x2013-446-x2013-x2013-x2013-x2013-N-8027401658-xAF-xAF-xAF-xm-274080-34-25M-D-x2211-f-x-x2212-xm-N-165880-20-725

$x_{i}$	$10$	$30$	$50$	$70$	$90$
$f_{i}$	$4$	$24$	$28$	$16$	$8$

$x_{i}$	$10$	$30$	$50$	$70$	$90$
$f_{i}$	$4$	$24$	$28$	$16$	$8$

Class	0 - 10	10 - 20	20 - 30	30 - 40	40 - 50	50 - 60	60 - 70	70 - 80
frequency	5	8	7	12	28	20	10	10

x_i	10	30	50	70	90
f_i	4	24	28	16	8

$X_{i}$	15	21	27	30	35
$f_{i}$	3	5	6	7	8

Find the mean deviation about the mean for the data in xi1030507090fi42428168

xff1x1−dm∣∣x−¯¯¯xm∣∣f(x−xm)1044024.259730247204.25102502814015.754417016112035.75572908–720––––55.75––––––446––––N=8027401658¯¯¯xm=274080=34.25M.D=∑f|x−xm|N=165880=20.725

Find the mean deviation about the mean for the data in
$x_{i}$ $10$ $30$ $50$ $70$ $90$
$f_{i}$ $4$ $24$ $28$ $16$ $8$