A major health care organization conducted a study relating the risk of heart at

Question

A major health care organization conducted a study relating the risk of heart attack to a patient's age, blood pressure, and HDL cholesterol. They have hypothesized the following relationship where Y is heart attack risk, Xj is patient's age, X2 is blood pressure, and X3 is HDL level. Data are collected and a regression relationship is determined through the use of the computer. The following Excel output is obtained Regression Statistics Multiple R.828 R Square Standard Error 9.57 Observations 20 df 3 3201.82 1067.27 11.66 .000:3 ANOVA Regression Residual (Error) 16 1464.98 91.56 Total SS MS Significance F 686 19 4666.80 Coefficients Standard Error t-Stat P-Value Intercept 101.92 1.1400 0.3521 0.0935 0.2554 0.0744 0.3108 4.463 4.367 0.301 .0004 .0005 7674 2 The value of the regression coefficient for HDL Level is A-101.92 B. 1.1400 C. 0.3521 D. -0.0935

Explanation / Answer

The variable X3 represents the HDL level.

Therefore the regression coefficient for HDL level is -0.0935

Answer: Option D) -0.0935

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