Which is Upper H 0 and which is H Subscript a? A. Upper H 0: sigmagreater than or equals8 H Subscript a: sigmaequals8 B. Upper H 0: sigmaless than or equals8 H Subscript a: sigmaequals8 C. Upper H 0: sigmaequals8 H Subscript a: sigmaless than8 D. Upper H 0: sigmaless than8 H Subscript a: sigmaequals8 E. Upper H 0: sigmaequals8 H Subscript a: sigmagreater than or equals8 F. Upper H 0: sigmaequals8 H Subscript a: sigmagreater than8 G. Upper H 0: sigmaequals8 H Subscript a: sigmanot equals8 H. Upper H 0: sigmanot equals8 H Subscript a: sigmaequals8 I. Upper H 0: sigmaequals8 H Subscript a: sigmaless than or equals8