Question

15. Find the mean of the following distribution table given by any suitable method
Daily wages (in rs )
130-140
140-150
150-160
160-170
170-180
No. of Workers
50
50
80
40
30​

Answer 1

Step-by-step explanation:

Daily

wages (in Rs.) [Class Intervals] Number of

workers [ Fi]

Xi Xi*Fi

100-120 12 110 1320

120-140 14 130 1820

140-160 8 150 1200

160-180 6 170 1020

180-200 10 190 1900

Total 40 5360

Meandailywage=

∑f

i

∑f

i

x

i

=

50

7260

=Rs.145.2