following table shows the weight of 20 students weight in kg= 59,60,62,65,64 number of students = 5,4,6,3,2
shiva95961:
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no of total students = 20
==> 59*5+60*4+62*6+65*3+64*2
==> 295 + 240 + 372 + 195 + 128
==> 1230
now mean ( avg weight ) = 1230/20 = 61.5 kg
hope it helps
==> 59*5+60*4+62*6+65*3+64*2
==> 295 + 240 + 372 + 195 + 128
==> 1230
now mean ( avg weight ) = 1230/20 = 61.5 kg
hope it helps
thank you very much
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