How do the areas of the parallelograms compare? 8
5
5
32-1
2 3 4 5 6 7 8
O The area of parallelogram 1 is 4 square units greater
than the area of parallelogram 2.
O The area of parallelogram 1 is 2 square units greater
than the area of parallelogram 2.
O The area of parallelogram 1 is equal to the area of
parallelogram 2
O The area of parallelogram 1 is 2 square units less than
the area of parallelogram 2.
2
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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.