Mathematics, 21.05.2021 14:00 Lnjayy
The marks obtained by a set of students in an examination are given below:
Marks5,10,15,20,25,30
No. students4,4,612,X,4
the mean =18
Answers: 3
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The marks obtained by a set of students in an examination are given below:
Marks5,10,15,20,25,30
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