There is a link o6 Given a measured response and an attribute explanatory variable with two levels, 1 &2. If the statistical distribution of the response variable for attribute level 1 and attribute level 2 have different means then the level of the attribute variable does influence the response varlable. Attribute leve 1 Attrbute level 2 Figure 4❖ There is a link  Given a measured response and an attribute explanatory variable with two levels, 1 & 2. If the statistical distribution of the response variable for attribute level 1 and attribute level 2 have different means then the level of the attribute variable does influence the response variable