IHI QI 104 Questions and Correct
Verified Answers
When you are graphing a proportion or a percent, what should you look at to help you
understand the bigger picture?
✓ The denominator of the measured value
Within the following data set, what is the median? [2.5, 7.2, 2.5, 2.9, 4.7, 3.6, 4.7]
✓ 3.6
During a clinical rotation on the medical-surgical floor of a hospital, you notice several
patients have developed urinary tract infections (UTIs) associated with their Foley
catheters (tubes inserted into the bladder to drain urine). Your staff physician agrees
that this is a problem and offers to help with an improvement project. Together, you
work through several PDSA cycles to reduce the rate of UTIs on your floor.
When designing the run chart, it is important to include:
✓ Units of time on the X axis
During a clinical rotation on the medical-surgical floor of a hospital, you notice several
patients have developed urinary tract infections (UTIs) associated with their Foley
catheters (tubes inserted into the bladder to drain urine). Your staff physician agrees
Top Mark !!!
, Top Mark Questions and Correct Verified Answers
that this is a problem and offers to help with an improvement project. Together, you
work through several PDSA cycles to reduce the rate of UTIs on your floor.
Which of the following methods would you recommend to display your improvement
data?
✓ Draw a run chart.
Which of the following is a problem with static data?
✓ It doesn't adequately portray variation.
What is the minimum number of data points you should usually have to look for signs
of improvement on a run chart?
✓ 10
Which of the following is the best interpretation of the run chart below based on Rule
3? Hint: There are 24 data points, and two of them fall directly on the median.
✓ There are too few runs for the pattern to appear random.
Once again, here's the run chart of ED "walk aways" over time from the previous lesson;
practice applying the four run chart rules. Which of the following do you see? (Note that
there is one data point on the median, which is February 7.)
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