QUESTION 3 Experimental design is of critical importance to a successful experiment. The images below represent several potential experimental designs. There are two treatments represented by the colors red and blue. Circles represent samples to be analyzed. Squares represent incubation chambers where the samples are kept. If no square is present, the samples are kept within a single chamber. Which of the following experimental designs are acceptable for testing the effects of red and blue treatments? O .. . . .. . . .... .. .. O .. . . . ... O O