World Languages, asked by jannat3795, 1 month ago

18) Find Mean of salary of 60 workers of a factory from the following table
Salary (in Rs) 3000 4000 5000 6000 700 8000 9000 10000 Total
No. of
workers
14 12 10 9 12 8 4 2 3

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Answers

Answered by pankajlobre555
2

Answer:

Salary (in Rs) (xi)

Number of workers (fi)

fixi

Explanation:

Salary (in Rs) (xi)

Number of workers (fi)

fixi

3000

16

3000 × 16 = 48000

4000

12

4000 × 12 = 48000

5000

10

5000 × 10 = 50000

6000

8

6000 × 8 = 48000

7000

6

7000 × 6 = 42000

8000

4

8000 × 4 = 32000

9000

3

9000 × 3 = 27000

10000

1

10000 × 1 = 10000

Total 305000/60 = 5083.33

Therefore, mean salary of 60 workers is Rs 5083.33.

xf = 20 + 60 + 90 + 70 + 120 = 360

f = 5 + 10 + 10 + 7 + 8 = 40

Therefore mean = 360/40

=9

Given: Mean = 20

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