Mathematics · Statistics
The frequency distribution of marks obtained by 100 students in a subject is given below: Marks: 0-10 | 10-20 | 20-30 | 30-40 No. of students: 10 | 20 | f | 40 What is the standard deviation of the marks?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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8.5
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