how many groups of variable to add confidence interval when should a confidence interval be increased family-wise when to use family-wise confidence interval which CI is family wise? what is family-wise confidence interval how to calculate the family wise interval what is the family-wise confidence interval? what is a family confidence interval? how to add confidence interval in r to family how many familywise confidence intervals are required for family sensitivity testing? how to calculate family-wise confidence intervals can you add an alpha interval to all the data how to calculate family based confidence interval in r when to add confidence interval to family level how many groups does a familywise confidence interval represent? how do you calculate family confidence intervals how does CI work in r what is the range of confidence intervals in r to family what is a good family-wise interval if alpha level is family -wise confidence interval, what is CI