The weights in grams of 50 apples picked at random from a consignment are as follows:
131 , 113 ,82 ,75 ,204 ,81 ,84 ,118 ,104 ,110 ,80 ,107 , 111 ,141 ,136 ,
123 ,90 ,78 ,90 ,115 ,110 ,98 ,106 ,99 ,107 ,84 ,76 ,186 ,82 ,100 ,
109 ,128 ,115 ,107 ,115 ,119 ,93 ,187 ,139 ,129 ,130 ,68 ,195 ,123 ,125 ,
111 , 92 ,86 ,70 ,126.
Form the grouped frequency table by dividing the variable range into intervals of equal width of
20g , such that the mid-value of the first class interval is 70 g .
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