Systolic blood pressure and resting heart rate

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Reference no: EM133873768

Question

A health researcher is conducting a linear regression analysis to explore the relationship between systolic blood pressure (independent variable, ?x??x) and resting heart rate (dependent variable, ?Y??Y) among a sample of adults. After analyzing the data, the researcher derives the following regression equation: Y = 1.5x + 40 Which of the following interpretations of the slope and intercept is correct? a. The slope of 1.5 indicates that for every 1 mmHg increase in systolic blood pressure, the resting heart rate increases by 1.5 beats per minute. The intercept of 40 suggests that when systolic blood pressure is 0 mmHg, the resting heart rate is expected to be 40 beats per minute b. The slope of 1.5 indicates that for every 1 unit increase in resting heart rate, systolic blood pressure increases by 1.5 mmHg. The intercept of 40 suggests that when systolic blood pressure is 0 mmHg, the resting heart rate is expected to be 40 beats per minute c. The slope of 1.5 indicates that for every 1 unit increase in systolic blood pressure, the resting heart rate decreases by 1.5 beats per minute. The intercept of 40 suggests that the resting heart rate will always be 40 beats per minute regardless of blood pressure.

Reference no: EM133873768

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