Acell phone company is looking to place a new tower to service 3 cities. in order for it to best service each city, it needs to be equidistant from all 3 cities. what mathematical concept could they use to find a location that is equidistant from all 3 cities? why is this a good method?

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.