A _________ _________ is a statement that there is no difference between the groups that are sampled from

A respiratory therapist notices an increasing high-pitched noise coming from the upper airway of a child receiving 30% oxygen by heated aerosol. Which of the following would be most appropriate for further evaluation?

A. CT scan of the upper airway B. bedside pulmonary function test with flow volume loop C. MRI of the upper airway D. lateral neck radiograph

Convert the percents to decimals. Round to the nearest hundredth. 38% =

Fill in the blank(s) with the appropriate word(s).