Which statement about converting metric units of measurement is true? Use the metric table to help answer the question. To find the number of centigrams in 34 dekagrams, divide 34 by 1,000.
To find the number of hectograms in 4.5 kilograms, multiply 4.5 by 10.
To find the number of grams in 81 milligrams, multiply 81 by 1,000.
To find the number of dekagrams in 15.6 hectograms, divide by 10.

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.