1.

The daily wages of 40 workers of a factory are given in the following table. Wages in Rs. 30 – 34 34 – 38 38 – 42 42 – 46 46 – 50 50 – 54 No. of workers 4 7 9 11 6 3 Calculate (i) Mean (ii) Variance and (iii) Standard Deviation of wages and also interpret the findings.

Answer»

The daily wages of 40 workers of a factory are given in the following table.

























Wages in Rs.

30 – 34

34 – 38

38 – 42

42 – 46

46 – 50

50 – 54

No. of workers

4

7

9

11

6

3


Calculate (i) Mean (ii) Variance and (iii) Standard Deviation of wages and also interpret the findings.


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