问题如下图：
选项：
A. 
B. 
C. 
解释：
如何看出是单尾还是双尾检验？
NO.PZ2015120604000135问题如下I Lee anhis tecollea lot of analysis of statisticta about the cmarket. Accorng to the tthey come to the conclusion ththe mepriof SUV is more th$46,435 in his country. Then they ranmly sele64 SUVs whose mepriis $46,470. Assume the stanrviation of the population is 1370. I Lee concts a hypothesis test to chetheir conclusion. Whiof the following test is least appropriate ?A.One-tailetest.B.Two-tailetest.C.One-sitest. B is correct.The null hypothesis is: H0: μ≤ $46,435, then Hα: μ＞$46,435, whiincates it is a one-tailetest, also calleone-sitest.题干问whiis least appropriate？所以选B c是什么 麻烦下哈
NO.PZ2015120604000135 问题如下 I Lee anhis tecollea lot of analysis of statisticta about the cmarket. Accorng to the tthey come to the conclusion ththe mepriof SUV is more th$46,435 in his country. Then they ranmly sele64 SUVs whose mepriis $46,470. Assume the stanrviation of the population is 1370. I Lee concts a hypothesis test to chetheir conclusion. Whiof the following test is least appropriate ? A.One-tailetest. B.Two-tailetest. C.One-sitest. B is correct.The null hypothesis is: H0: μ≤ $46,435, then Hα: μ＞$46,435, whiincates it is a one-tailetest, also calleone-sitest.题干问whiis least appropriate？所以选
NO.PZ2015120604000135 问题如下 I Lee anhis tecollea lot of analysis of statisticta about the cmarket. Accorng to the tthey come to the conclusion ththe mepriof SUV is more th$46,435 in his country. Then they ranmly sele64 SUVs whose mepriis $46,470. Assume the stanrviation of the population is 1370. I Lee concts a hypothesis test to chetheir conclusion. Whiof the following test is least appropriate ? A.One-tailetest. B.Two-tailetest. C.One-sitest. B is correct.The null hypothesis is: H0: μ≤ $46,435, then Hα: μ＞$46,435, whiincates it is a one-tailetest, also calleone-sitest.题干问whiis least appropriate？所以选 C正确是因为one-taile也可以称之为one-si
这题没明白啊，为什么不可以假设μ0=46370，μa≠46470
