Blood pressure values are often reported to the nearest 5 mmHg (100, 105, 110, etc.). The actual blood pressure values for nine randomly selected individuals are given below. 118.6 127.4 138.4 130.0 113.7 122.0 108.3 131.5 133.2 n USE SALT (a) What is the median of the reported blood pressure values? 130 x mmHg (b) Suppose the blood pressure of the second individual is 127.9 rather than 127.4 (a small change in a single value). What is the new median of the reported values? 130 v mmHg What does this say about the sensitivity of the median to rounding or grouping in the data? O When there is rounding or grouping, the median can be highly sensitive to small change. O When there is rounding or grouping, the median is only sensitive to large changes. O When there is rounding or grouping, the median is not sensitive to small changes.
Blood pressure values are often reported to the nearest 5 mmHg (100, 105, 110, etc.). The actual blood pressure values for nine randomly selected individuals are given below. 118.6 127.4 138.4 130.0 113.7 122.0 108.3 131.5 133.2 n USE SALT (a) What is the median of the reported blood pressure values? 130 x mmHg (b) Suppose the blood pressure of the second individual is 127.9 rather than 127.4 (a small change in a single value). What is the new median of the reported values? 130 v mmHg What does this say about the sensitivity of the median to rounding or grouping in the data? O When there is rounding or grouping, the median can be highly sensitive to small change. O When there is rounding or grouping, the median is only sensitive to large changes. O When there is rounding or grouping, the median is not sensitive to small changes.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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a) The blood pressure values are rounded to the nearest 5 mmHg.
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