关于检定的问题,请高手帮忙!
最近遇到一个问题,有两种铜锡合金,其中两种金属的比例规格是相同的!
现抽样检测,分别得出两种金属所含比例的数据!
那么请问是用双样本等方差的T检定么?
选单边还是双边检定?
的出T值比0.05大说明两个样本见有差距,还是比0.05小有差距呢?
请高手帮忙解答,在线等,谢谢啊!
(? (? (? (? (? (? (? (? (? (? (? (? (? (? (? (? (? (?
现抽样检测,分别得出两种金属所含比例的数据!
那么请问是用双样本等方差的T检定么?
选单边还是双边检定?
的出T值比0.05大说明两个样本见有差距,还是比0.05小有差距呢?
请高手帮忙解答,在线等,谢谢啊!
(? (? (? (? (? (? (? (? (? (? (? (? (? (? (? (? (? (?
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