If a population consisted of 70,000 people, a sample of the population could
consist of which of these numbers of people?
o a. 700,000
b. 7,000,000
o c. 70,000,000
o d. 7000

Brent wants to know what is 5 x 1/2

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.

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.