Calculate mean deviation from median for the following data
Mid points
10
30
50
70
90
Frequency
10
16
30
32 12
Answers
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1
Answer:
6.32
Explanation:
x. f. cf. |x-M| |x-M|^2
10 10 10. 40. 1600
30 16. 26. 20. 400
50 30. 56. 0. 0
70 32. 88. 20. 400
90 12. 100. 40. 1600
total f=100, median= n+1/2 th term
median = 50.5th term
median =50
sum |x-M|^2= 4000
MD = √4000/100
√40
=6.32
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