PLEASE HELP I BASICALLY USED ALL MY POINTS
Kate did a survey to find the average hand span of the students in her class She asked the following question
What is the hand span of each student in the class?
Is Kate's question a statistical question and why or why not?
(IK ITS WORTH ALOT OF POINTS BUT PLEASE DONT GUESS!)
:)

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.