Quality Control Runs on a PCO₂ Electrode Have Produced a Mean

question 26

Multiple Choice

Quality control runs on a PCO₂ electrode have produced a mean of 40 mm Hg ± 2 mm Hg (1 SD) .What are the chances of obtaining a value of 45 mm Hg on a control run if the electrode is functioning properly?

• A) 95%
• B) 50%
• C) 5%
• D) Less than 1%

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Definitions:

Midterm Examinations

Exams given roughly halfway through an academic term to assess students' understanding of the course material.

Centered

In statistics, adjusting data values by subtracting the mean of the data set from each value to have an average of zero.

Perfect Substitute

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Indifference Curve

A graph representing combinations of two goods that provide an individual with the same level of satisfaction and utility.