Math Problem Statement

  1. Fifteen different medical students measure the blood pressure of the same person. The systolic readings (in mm Hg) are listed below. If the mean is 132.3 mmHg and the standard deviation is 10.3 mmHg, should any of the medical students retake the person’s blood pressure? In other words, are any of the readings significantly high or significantly low? Explain using the Range Rule of Thumb. [7points] 138 130 135 110 140 120 125 120 130 130 144 143 140 130 150

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Standard Deviation
Range Rule of Thumb

Formulas

Low Boundary = Mean - 2 × Standard Deviation
High Boundary = Mean + 2 × Standard Deviation

Theorems

Range Rule of Thumb

Suitable Grade Level

Grades 10-12