2. 金融经济
  3. 通常情况下，当零假设(Ho)为# [\\mu _{1}]#=# [\\mu _{2}

通常情况下，当零假设(Ho)为# [\\mu _{1}]#=# [\\mu _{2}

Loveyou2019-12-17  64
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（　　）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}]# ≠
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答案E
解析@jin
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