Using the data above, find the main effect of coffee consumption. 1) Provide the marginal means for those who drank coffee and those who did not, and 2) describe the effect of drinking coffee on trips...

A researcher wants to know how the time that one stops drinking water (before 6pm, after 6pm), plus the beverages they consume during the day (coffee, no coffee), influences the number of times participants wake up in the middle of the night to pee. Using the data below, find the main effect of time that one stops drinking water. Using the data above, find the main effect of coffee consumption.

1) Provide the marginal means for those who drank coffee and those who did not, and

2) describe the effect of drinking coffee on trips to the bathroom.

3. Is there an interaction effect between time that one stops drinking water and coffee consumption on trips to the bathroom? The critical difference (CD) for the interaction effect is 0.5.