6) Researchers measured systolic blood pressure and body mass index from 40 part

Question

6) Researchers measured systolic blood pressure and body mass index from 40 participants. Based on this sample, the estimates of the intercept and slope from a linear regression model with systolic blood pressure as the outcome (Y) and body mass index as the predictor (X) were 116 mmHg and 0.75 mmHg/(kg/m2), respectively. The correlation between systolic blood pressure and body mass index based on these participants is 0.7. The observations and fitted line are shown below, 1 3 15 20 25 30 2 Body Mass Index, kg /m

Explanation / Answer

6) Researchers measured systolic blood pressure and body mass index from 40 participants. Based on this sample, the estimates of the intercept and slope from a linear regression model with systolic blood pressure as the outcome (Y) and body mass index as the predictor (X) were 116 mmHg and 0.75 mmHg/(kg/m2), respectively. The correlation between systolic blood pressure and body mass index based on these participants is 0.7. The observations and fitted line are shown below, 1 3 15 20 25 30 2 Body Mass Index, kg /m

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