Vanya, a newborn going through a growth spurt, grew out of an average of 250 pairs of socks per month between january to march inclusive. he grew out of an average of 300 pairs of socks per month during april and may. find the average number of pairs of socks vanya grew out of during these 5 months. pls ! ❤️❤️❤️❤️

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.