The Mt. Washington Auto Road begins on Route 16 in Glen, NH at 1,600 feet of elevation and rises to a parking area just below
the summit of Mt. Washington at 6,288 feet. The roadway is ver
steep and curvy and is 7.6 miles long (from the bottom to the
top).

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.