- Sharmeen wants to find the least crowded time to visit the skating rink. She records
the temperature outside and the number of
skaters at the rink at that time. She makes a
scatter plot of the data. She labels one axis
"Number of Skaters." Which data should be on
the other axis?
(А)
time of day
(В)
number of skaters
temperature outside
D
location of the rink

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.