State how the measure of a central angle and its intercepted arc are related.

question 4 options:

the central angle is the same measure as the intercepted arc.

the central angle is double the measure as its intercepted arc.

the central angle is ½ the measure of its intercepted arc.

the central angle’s measure is not related to the measure of its intercepted arc.

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.