nmode au e lian will also beEXERCISE -9.Weights of parcs's in a ranspo

1.	nmode au e lian will also beEXERCISE -9.Weights of parcs's in a ransport office are given below.Weighi (hg) 50 65 75 9 110No of parcels 25 34 38 40 47ind the mean weight of the parcels
Answer» Mean of a grouped data =((5025)+(6534)+(7538)+(9040)+(110*47)) / (25+34+38+40+47) = (1250+2210+2850+3600+5170)/184 = 15080/184= 81.95

nmode au e lian will also beEXERCISE -9.Weights of parcs's in a ransport office are given below.Weighi (hg) 50 65 75 9 110No of parcels 25 34 38 40 47ind the mean weight of the parcels

Answer»

Mean of a grouped data =((50*25)+(65*34)+(75*38)+(90*40)+(110*47)) / (25+34+38+40+47)

= (1250+2210+2850+3600+5170)/184

= 15080/184= 81.95