Question

Find the median for the following table which shows daily wages drawn by 200 workers in a factory.
Daily Wages Less than 100 200 300 400 500
No Of Workers. 40. 82. 154. 184. 200​

Answer 1

Daily Wages

Frequency f

i

cf

0−100

40

40

100−200

32

72

200−300

48

120

300−400

22

142

400−500

8

150

∑f

i

=150

Where cf= cumulative frequency

Here

N=150

2

N

=75

cf just greater than 75 to 120

Median class 200−300

So, I=200, h=100, f=48 and

cf=cf of preceding class i.e 72

Substitute all the value in the above formula, we get

Median =200+{100×

48

(75−72)

}

=200+6.25

=206.25

Median of daily wages is Rs. 206.25

Answer 2

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Step-by-step explanation:

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