why is ancva profile plot non-significant what is the interaction in ancova what is the interaction effect of nancova what is ancova what is the difference between the interaction plot and the profile plot? is the interaction effect of ancova statistically significant? why is ancova interaction effect non significative why is ancova output table nonsignificant why is the interaction effect of the curves crossing a profile plot non significant how many lines are crossed which of the following graphs shows two lines crossing what is the interaction effect on a profile acouva interaction effects what is the difference between the interaction plot and the interaction plot which of the following is not a significant interaction effect? what is profile plot and interaction why is the interaction plot not significant does ancova show curve crossing does the ancova plot show the interaction effect why does acnava plot show an interaction