国庆节期间，某商店每天的营业额如下（单位：万元）
0.8 1.2 1.2 0.6 3.2 2.9 4.1
（1）国庆节期间，这个文具店营业额的平均数和中位数分别是多少？
（2）表示7天营业额的一般情况，平均数和中位数哪个更合适？
（1）平均数=（0.8+1.2+1.2+0.6+3.2+2.9+4.1）÷7=2；
把数据按从小到大的顺序排列：0.6，0.8，1.2，1.2，2.9，3.2，4.1，
此组数据个数是奇数个，所以中位数是1.2；
（2）表示7天营业额的一般情况，平均数更合适．
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