High School

The following systolic blood pressure readings were collected from the beginning of an experiment:

162, 130, 147, 153, 141, 177, 154, 157, 137, 151, 179, 141, 134, 151, 167, 146, 157, 143, 161.

What is the median systolic blood pressure for this dataset?

A. 153
B. 154
C. 156
D. 157

Answer :

Final answer:

The median systolic blood pressure for the given dataset is 154.

Explanation:

The median systolic blood pressure for the given dataset can be found by arranging the readings in ascending order and finding the middle value. Here are the readings in ascending order: 130, 134, 137, 141, 141, 143, 146, 147, 151, 151, 153, 154, 157, 157, 161, 162, 167, 177, 179. Since the dataset has an odd number of values, the median will be the middle value, which is 154. Therefore, the correct answer is 154 (option b).

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