On a coordinate plane, a line goes through points (negative 3, negative 3) and (0, 3). What is the slope of the line on the graph? A. 1 B. 1/2 C. 2 D. 3

This question is from e2020 7th grade its called Finding the Slope of a Line on a Graph! Please help :)

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.