A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. Use the histogram to answer the question. The blood pressure readings were given to the nearest whole number.
-Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110 and 139 inclusive?

Question

A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. Use the histogram to answer the question. The blood pressure readings were given to the nearest whole number. 
-Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110 and 139 inclusive?

Quizplus · Accepted Answer

The correct answer is derived from understanding that the systolic blood pressure range of 110 to 139 is considered normal or prehypertensive for most adults, including those aged 25-40. A large majority of individuals in this age group fall within this range, making 74% a plausible estimate.

A Nurse Measured the Blood Pressure of Each Person Who