In an analysis of a factorial design, effect coding was used. Factor B consisted of four categories. In the regression equation obtained from the analysis, a (intercept) = 8.5. The three b's...

In an analysis of a factorial design, effect coding was used. Factor B consisted of four categories. In the regression equation obtained from the analysis, a (intercept) = 8.5. The three b's associated with the coded vectors for B are b_B1
= .5, b_B2
= -1.5, b_B3
= 2.5. What are the means of the four levels of factor B?