Question

2. Consider the following distribution of daily wages of 50 workers of a factory.
Daily wages (in)
500-520
520-540
540-560
580-600
560-580
12
Number of workers
8
6
Find the mean daily wages of the workers of the factory by using an appropriate method​

Answer 1

Daily wages (fi) (xi) (fixi)

600−20 12 510 6120

520−540 14 630 7420

540−560 8 550 4400

560−580 6 570 3420

580−600 10 590 $$5900

∑fi=50 ∑fi xi⇒27260

mean

∑fi

∑fi xi

=

50

27260

=

5

2726

=545.2

∴ meam\n wage of 50 employees is 545.2rs