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Please answer the 7th question .

Marks obtained (xi) Number of students (fi) fi xi
2 3 6
3 2 6
4 6 24
7 7 49
10 2 20
Total 20 105


Mean = ∑ifixi∑ifi = 10520 = 5.25

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46/10= 4.6
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7-2=5
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i.d.k
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hi
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46 is the mean.
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Oops it is 4.6
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