what is a confidence interval t test do you need to know the confidence intervals between dependent and independent observations how do i calculate confidence intervals for independent observations how to calculate confidence interval of two dependent observations why should you use confidence intervals for independent observations? how do you calculate the confidence intervals do confidence intervals always have to be calculated when two observational data is dependent? do you use t-test or confidence intervals to compare observations how to determine confidence intervals for t-tests what is the confidence interval for dependent observations what is the confidence interval between two independent observations what is the difference between p value and confidence interval for dependent data what is the confidence interval what is the confidence interval for a dependent observation? why calculating confidence intervals for dependent observations what is the difference between independent and independent p values how to calculate confidence intervals when to use confidence intervals how to find confidence interval for an independent sample? when does confidence intervals occur?