The weight of 150 studets are given below in the form of grouped data. Calcualte the AM by indirect method and the method of step deviation.
Group Frequency
95-100 7
100-105 17
105-110 37
110-115 35
115-120 28
120-125 15
125-130 11
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12o3 129 e3 8 52 u4i 9233 3
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