What is the median of the following set of numbers: 7, 3, 9, 5, 2?

Which measure of dispersion is calculated as the difference between the highest and lowest values in a data set?

What is the mean of the following set of numbers: 4, 8, 6, 5, 3?

Which of the following statements is true about the relationship between sample size and confidence interval width?

The pie chart below displays the distribution of blood types (A, B, AB, O) among a group of 100 clients. What percentage of the clients have type O blood? Sales Chart.png

A study finds that 132 out of 465 rabbits have brown fur. What is the 80% confidence interval for the proportion of rabbits with brown fur?

A nurse is studying the effect of a new medication on blood pressure. The 95% confidence interval for the mean reduction in systolic blood pressure is reported as 5.2 to 8.4 mmHg. What can be concluded from this interval?

Hospital Admissions Chart.png A bar chart shows the number of patients admitted to a hospital for different conditions (e.g., diabetes, hypertension, asthma.. Question: Which condition had the highest number of admissions?

A nurse practitioner is evaluating the effectiveness of a new diet program. The 90% confidence interval for the average weight loss is 2.5 to 4.5 kg. What does this interval suggest?

Refractory hypoxemia is defined as a PaO2 less than on an FiO2 equal to or greater than %.