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

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

A nurse researcher reports a 95% confidence interval (CI) of 30.41 to 31.59. What does this mean?

Which of the following measures indicates the spread of data around the mean?

Which of the following values would be consistent with refractory hypoxemia?

What are the three mental status changes that may occur when a client with pneumonia is first experiencing hypoxia? Select all that apply. Note: full points obtained if only all correct choices are selected.

Refractory hypoxemia is defined as a PaO2 less than [BLANK-1] on an FiO2 equal to or greater than [BLANK-2]%.

A VD/VT ratio of 0.6 indicates that [BLANK-1]% of the volume is participating in gas exchange while [BLANK-2]% is not participating in gas exchange.

Fill in the following chart: IBW 180 lbs VT 350 mL Respiratory Rate 26 b/min VE (Minute ventilation) [BLANK-1] L/min VA (alveolar minute ventilation) [BLANK-2] L/min VD/VT [BLANK-3] Is this patient at risk for respiratory failure? [BLANK-4]

Vital capacity is used as a measure of diaphragmatic reserve and strength for patient’s with neuromuscular disease and for patient’s weaning off of mechanical ventilation. The minimum acceptable value of >10-15 mL/kg of IBW is required for the patient to be able to do which of the following? (Select all that apply)