What does it mean for a statistical test to have a power of 0.800.800.80?
There is an 80%80\%80% chance of committing a Type I error.
There is an 80%80\%80% chance of rejecting the null hypothesis when the alternative hypothesis is true.
The significance level α\alphaα is 0.200.200.20.
The null hypothesis has an 80%80\%80% probability of being true.