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The table below shows the marks obtained by Form 3 students of Rehema Secondary School in Mathematics Exam. The total numbers of students were 100.Find...

The table below shows the marks obtained by Form 3 students of Rehema Secondary School in Mathematics Exam. The total numbers of students were 100.
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Find the standard deviation of the distribution.

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Kavungya
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Kavungya answered the question on September 20, 2019 at 06:18

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