Question

calculate the arithmetic mean of the daily wages of 10 workers by shortcut and direct method. wages : 140,150,180,200,220,250,260,300,350,450​

Answer 1

Explanation:

Arithmetic mean using shortcut method,

X

=A+

∑F

∑Fd

A= assumed mean in the above series

= 10.5+

150

300

=10.5+2

=12.5

solution

Answer 2

Answer:

=140+150+180+200+220+250+360+300+350+450/10

=2,500/10

=250