(1)6+5+6+4+3+8+10=42(双); 42÷7=6(双); 答:平均每天销售6双. (2)12>11>10>6>3; 24号的最多,众数是24. 23,23,23,23.5,23.5,23.5,23.5,23.5,23.5,24,24,24,24,24,24,24,24,24,24,24,24,24,24.5,24.5,24.5,24.5,24.5,24.5,24.5,24.5,24.5,24.5, 24.5,25,25,25,25,25,25,25,25,25. 第20和21个数都是24,它们的平均数也是24;所以这组数的中位数是24. (3)条形统计图如下: |