A medical researcher is interested in reducing patients’ cho…
A medical researcher is interested in reducing patients’ cholesterol levels and randomly assigns participants to receive either a new drug or an existing drug. Below is a data matrix showing a portion of the data collected in this study. What type of variable is income? Sex Age Drug Income Smoke Cholesterol Systolic BP Diastolic BP Female 42 old Under $10,000 No 278 155 91 Male 44 old $100,001 to $150,000 No 255 132 83 Male 53 new Above $360,000 Yes 305 161 97 … … … … … … … Male 40 old $50,001 to $60,000 Yes 298 163 96
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