Mathematics, 23.01.2020 19:31 rolo7105
Blood pressure values are often reported to the nearest 5 mmhg (100, 105, 110, the actual blood pressure values for nine randomly selected individuals are given below:
108.6 117.4 128.4 120.0 103.7 112.0 98.3 121.5 123.2
(a) what is the median of the reported blood pressure values? (b) suppose the blood pressure of the second individual is 117.9 rather than 117.4 (a small change in a single value). what is the new median of the reported values? (c) what does this say about the sensitivity of the median to rounding or grouping in the data? a. when there is rounding or grouping, the median can be highly sensitive to small change. b. when there is rounding or grouping, the median is only sensitive to large changes. c. when there is rounding or grouping, the median is not sensitive to small changes.
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