father is 4 at 30, 9, 10, 12, 1, 3, 4, 4 find the Arithmetic mean
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Mean=Sum of datas/ number of data's
=(30+9+10+12+1+3+4+4)/8
=73 /8
=9.125
Mean=Sum of datas/ number of data's
=(30+9+10+12+1+3+4+4)/8
=73 /8
=9.125
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