下面是60个大学生一个月生活费支出的调查数据: 375,375,255,315,270,405,360,240,285,300,480,390,495,615,225 435,525,450,225,390,300,285,375,425,600,405,

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问题 下面是60个大学生一个月生活费支出的调查数据:
375,375,255,315,270,405,360,240,285,300,480,390,495,615,225
435,525,450,225,390,300,285,375,425,600,405,360,315,270,420
225,510,570,435,360,300,330,285,435,315,495,585,645,210,300
405,495,240,300,375,360,420,450,375,315,270,615,540,405,375
计算平均生活费支出;

选项

答案把计算器的SD功能调出,将以上60个数据存入,按下[*] 键,计算器显示出平均数: [*]

解析
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