Question

1. The yield of Jower (in Tonnes) per acre for 10 dients of is as under
District A B C D E OH 1
Jower 22 29 12 23 18 15 12 14 15
Calculate Mean Deviation from Mean​

Answer 1

Answer:

To check the quality of two brands of lightbulbs, their life in burning hours was estimated as under for 100 bulbs of each brand.

Life (in hrs)

No. of bulbs

Brand A

Brand B

0–50

15

2

50–100

20

8

100–150

18

60

150–200

25

25

200–250

22

5

100

100