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Mathematics
Mathematics
Problem
In a grouped data set, the total number of observations is
50
50
50
and the value of
∑
f
i
x
i
\sum f_i x_i
∑
f
i
x
i
is
1250
1250
1250
. Find the mean of the data. a)
24.5
24.5
24.5
b)
50
50
50
c)
25
25
25
d)
12.5
12.5
12.5
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