通常情况下,当零假设(Ho)为# [mu _{1}]#=# [mu _{2}]# =[mu _{3}]#时.备择假设 为(  )A.# [mu _{1}

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问题 通常情况下,当零假设(Ho)为# [\mu _{1}]#=# [\mu _{2}]# =[\mu _{3}]#时.备择假设 为(  )

选项 A.# [\mu _{1}]# ≠# [\mu _{2}]#≠[\mu _{3}]#
B.# [\mu _{1}]# ≠# [\mu _{2}]#且# [\mu _{2}]#≠
C.# [\mu _{1}]# ≠# [\mu _{2}]#且# [\mu _{2}]#≠且# [\mu _{1}]# ≠
D.# [\mu _{1}]# ≠# [\mu _{2}]#且# [\mu _{2}]#≠或# [\mu _{1}]# ≠
E.# [\mu _{1}]# ≠# [\mu _{2}]#或# [\mu _{2}]#≠或# [\mu _{1}]# ≠

答案E

解析
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