Question

2. The following table shows daily wages and number of workers in a factory. Find the
(March 2011)
median wage.
Daily wages
Number of workers
20-40
2
40-60
4
60-80
80-100
& S 8 5
100-120
120-140
140-160
5
locate the mode graphically to verify the​

Answer 1

Answer:

Bookmark

The following table shows the number of workers in a factory and their daily wages. Find the median of the daily wages.

Daily wages(Rupees) 100−110 110−120 120−130 130−140 140−150 150−160

No. of workers 37 38 40 33 28 24

Easy

share

Share

Answer

2

N

=100, corresponds to 120−130 class

Median=L+

⎝

⎜

⎜

⎛

fm

2

N

−F

⎠

⎟

⎟

⎞

×h

where F=75

fm=40

L=120

h=10

=120+((

40

100−75

)×10)

=120+

4

25

=126.25.

solution