calculate mean median mode in the question group-1-10 11-20 21-30 31-40 41-50 and f-4 16 36 45 50 answer plzz - Economics - Measures of Central Tendency

Question

calculate mean median mode in the question group-1-10 11-20 21-30
31-40 41-50 and f-4 16 36 45 50 answer plzz fast tommorow is exam

Prince Verma · Accepted Answer

I think you might have made a typo by writing 'cf' as 'f'

C I
cf
Mid value(M)
fm
f

0 5 - 10 5
4
5 5
22
4

10 5 - 20 5
16
15 5
186
12

20 5-30 5
36
25 5
510
20

30 5-40 5
45
35 5
319 5
9

40 5-50 5
50
45 5
227 5
5

Total
151

1265

Mean = ∑fm∑f = 126550 = 25
3N2= 502= 25Therefore, median class is 20
5 - 30
5Median = L + N2 - cff× i= 20
5 + 25 - 1620× 10= 25Highest frequency = 20Therefore, modal class is 20
5 - 30
5Mode = L + f1 - f02f1-f2-f0× i= 20
5 + 20 - 1240 - 12 - 9×10= 20
5 + 4 2 = 24 7

C.I	cf	Mid value(M)	fm	f
0.5 - 10.5	4	5.5	22	4
10.5 - 20.5	16	15.5	186	12
20.5-30.5	36	25.5	510	20
30.5-40.5	45	35.5	319.5	9
40.5-50.5	50	45.5	227.5	5
Total	151		1265

calculate mean median mode in the question group-1-10 11-20 21-30 31-40 41-50 and f-4 16 36 45 50 answer plzz fast tommorow is exam