Question

Q14. Give two merits and two demerits of standard deviation.
No. of Persons
5
Wages
Less than 8
Less than 16
8-24
12
29
31
8
24 and above
32-40
40 and above
48 and above
19
5​

Answer 1

Answer:

ANSWER:

S. No. Marks

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15 6

9

10

12

18

19

23

23

24

28

37

48

49

53

60

N = 15

Median = size of (

N+1

2

)th item

or, M = size of (

15+1

2

)th item

or, M = size of 8th item

⇒ M = 23