沈同学2018-03-11 21:17:07
怎么用计算器算标准差呀(忘了)
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Crystal2018-03-12 12:15:57
同学你好,请把具体的题目贴上来,这样我再教你按
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同学你按照我接下来写的一步一步按哈,2nd,7,0.08,enter,向下箭头,向下箭头,0.04,enter,向下箭头,向下箭头,0.02,enter,向下箭头,向下箭头,0.01,enter,向下箭头,向下箭头,0.005,enter,向下箭头,向下箭头,2nd,向下箭头,向下箭头,接着按你就能得到你想要的所有的参数。
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