6. The following table gives the frequency distribution of marks obtained by 150 students in a certain examination. Marks: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No. of students: 7 10 20 40 30 28 10 5 From the above distribution, calculate the standard deviation and the co-efficient of varia- tion.
6. The following table gives the frequency distribution of marks obtained by 150 students in a certain examination. Marks: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No. of students: 7 10 20 40 30 28 10 5 From the above distribution, calculate the standard deviation and the co-efficient of varia- tion.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 7E
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