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. 128.6 137.4 148.4 140.0 123.7 132.0 118.3 141.5 143.2 (a) what is the median of the reported blood pressure values?

Question

Mathematics

Saul Huerta

22 July, 04:46

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. 128.6 137.4 148.4 140.0 123.7 132.0 118.3 141.5 143.2 (a) what is the median of the reported blood pressure values?

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Answers (1)

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Brenden Barber · Answer 1

Solution:

Given dа ta: 128.6, 137.4, 148.4, 140.0, 123.7, 132.0, 118.3, 141.5, 143.2

Arrange in ascending order,

118.3, 123.7, 128.6, 132.0, 137.4, 140.0, 141.5, 143.2, 148.4

The number of entries are 9.

Median = (n + 1) th/2

= (9 + 1) th/2

= 5th

= 137.4

Hence, the median is 137.4.