Blood pressure values are often reported to the
Chapter 1, Problem 38(choose chapter or problem)
Blood pressure values are often reported to the nearest5mmHg (100, 105, 110, etc.). Suppose the actual bloodpressure values for nine randomly selected individuals are118.6 127.4 138.4 130.0 113.7 122.0 108.3131.5 133.2a. What is the median of the reported blood pressurevalues?b. Suppose the blood pressure of the second individualis 127.6 rather than 127.4 (a small change in a singlevalue). How does this affect the median of thereported values? What does this say about the sensitivityof the median to rounding or grouping in thedata?
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