- 6. Calculate Semi-Inter-Quartile Range and its Co-efficient of Q.D. from the followine data : 30-40 40-50 50-60 60-70 70-80 80-90 Marks 0-10 10-20 20-30 No. of Students 25 28 30 33 22 15 22 11 18

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- 6. Calculate Semi-Inter-Quartile Range and its Co-efficient of Q.D. from the followine
data :
30-40
40-50
50-60
60-70
70-80
80-90
Marks
0-10
10-20
20-30
28
30
33
22
15
22
No. of Students
11
18
25
Transcribed Image Text:- 6. Calculate Semi-Inter-Quartile Range and its Co-efficient of Q.D. from the followine data : 30-40 40-50 50-60 60-70 70-80 80-90 Marks 0-10 10-20 20-30 28 30 33 22 15 22 No. of Students 11 18 25
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