Question

plz answer this question​

Answer 1

ANSWER:

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

∑fixi⇒27260

Mean ∑fixi = 27260 = 2726 = 545.2

∑fi 50 50

∴Mean wage of 50 employees is 545.2 Rs.