Question: Oxygen Consumption in Males with Sedentary Occupations

Data File: Oxygen Consumption.JMP

The variables in this data file are:

Response
Oxycon (Y) = oxygen consumption
Predictors

SBP = systolic blood pressure (mmHg)

Total HDL = total cholesterol (mg/DL)

HDL chol = HDL cholesterol (mg/DL)

Trigly = Triglycerides (mg/DL)

1. Examine scatter plots of Oxygen Consumption (Y) vs. each of the predictors. Which predictor has the strongest relationship with oxygen consumption? (4 pts.)
2. Fit the multiple regression model using all of the available predictors. (5 pts.)
   Discuss/interpret each of the following:
    R-square (R ² )/coefficient of determination
    "slope" parameters for each of the predictors
3. Which predictor has the strongest adjusted relationship with response? Explain how you determined this. (2 pts.)
4. Find a 95% CI for the Coefficient of SBP in the regression model. Interpret this
   interval. (3 pts.)
5. Predict the oxygen consumption for individuals with the
   following predictor values (2 pts.)
   
   SBP = 130, Total Cholesterol = 199, HDL Cholesterol = 55, Triglyceride = 205
   SBP = 147, Total Cholesterol = 251, HDL Cholesterol = 37, Triglyceride = 165
6. Check and discuss model assumptions. (3 pts.)

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