What is a Hypothesis? 关于总体参数的假设 A hypothesis is an I assume the mean gpa assumption about the of this class is 3.5! population parameter. 口 A parameter is a Population mean or proportion 口 The parameter must be identified before analysis ?1984-1994 TMaker CoA hypothesis is an assumption about the population parameter.  A parameter is a Population mean or proportion  The parameter must be identified before analysis. I assume the mean GPA of this class is 3.5! ?1984-1994 T/Maker Co. What is a Hypothesis? 关于总体参数的假设