High School

Blood pressure values are often reported to the nearest 5 mmHg (e.g., 100, 105, 110). Suppose the actual blood pressure values for nine randomly selected individuals are:

- 105
- 108.6
- 117.4
- 128.4
- 120.0
- 103.7
- 112.0
- 98.3
- 121.5
- 123.2

What is the median (X) of the reported blood pressure values? _____ mmHg

Answer :

Final answer:

The median of the reported blood pressure values is 112 mmHg.

Explanation:

To find the median of the reported blood pressure values, we first need to arrange the values in ascending order: 98.3, 103.7, 105, 108.6, 112, 117.4, 120, 121.5, 123.2, 128.4. There are a total of 9 values, so the median will be the middle value. In this case, the middle value is the 5th value, which is 112 mmHg. Therefore, the median of the reported blood pressure values is 112 mmHg.

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