3. A large retail company, with multiple stores located in 30 states, wants to conduct a study to investigate the effect of advertising mode and store layout on annual sales. They looked at two advertising modes of interest and two specific layout patterns. They randomly chose three states for their study and used four stores in each state to accommodate the four possible combinations of advertising mode and layout. Total sales were recorded for each store after one year a) What is the treatment design? b) How many replications were there? c) What was the randomization design? d) Identify which factors are fixed and which are random. e) Fill in the first two columns of the ANOVA table below: Source df 3. A large retail company, with multiple stores located in 30 states, wants to conduct a study to investigate the effect of advertising mode and store layout on annual sales. They looked at two advertising modes of interest and two specific layout patterns. They randomly chose three states for their study and used four stores in each state to accommodate the four possible combinations of advertising mode and layout. Total sales were recorded for each store after one year a) What is the treatment design? b) How many replications were there? c) What was the randomization design? d) Identify which factors are fixed and which are random. e) Fill in the first two columns of the ANOVA table below: Source df