Q Consider the following distribution of daily wages of 50 workers of a factory . Find the mean of the wages using appropriate method.
 
Daily wages 100-120 120-140 140-160 160-180 180-200
Number of workers 12 14 8 6 10

Dear Student,
Here is the solution of your asked query:

Let the assumed mean be A = 120 and h = 20.

We know that mean,

Now, we have .

Putting the values in the above formula, we have


   

Hence, the mean daily wage of the workers is Rs 145.20.

Regards

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Answer using step deviation method.
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Hope this helps u and if u like it pls thumbs up

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Tysm
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This is step deviation method kriti
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the above is correct
 
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What are you looking for?