lles. Marks No. of student. No. of students 180 160 Marks Above 60 65 Above 0 Above 75 20 Above 15 Above 30 Above 45 Above 90 5 130 100

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7-17. Calculate the coefficient of skewness from the following data by using quartiles.
No. of students
180
No. of students
Marks
Marks
Above 60
65
Above 0
Above 75
20
160
Above 15
Above 30
Above 45
Above 90
130
100
30
Transcribed Image Text:7-17. Calculate the coefficient of skewness from the following data by using quartiles. No. of students 180 No. of students Marks Marks Above 60 65 Above 0 Above 75 20 160 Above 15 Above 30 Above 45 Above 90 130 100 30
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