Absolute mean deviation-measures of central tendency, Mathematics

Illustration 1

In a described exam the scores for 10 students were given as:

Student

Mark (x)

|x-x¯|

A

60

1.8

B

45

16.8

C

75

13.2

D

70

8.2

E

65

3.2

F

40

21.8

G

69

7.2

H

64

2.2

I

50

11.8

J

80

18.2

Total

618

104.4

Required

Find out the absolute mean deviation

Mean,   x¯ = 618/10   = 61.8

               291_Absolute mean deviation-measures of central tendency.png

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