Answer:
The correct options are:
C) Smoking history (cigarettes per year) is correct.
D) Body mass index (kg/m2kg/m2) is correct.
Step-by-step explanation:
Consider the provided information.
The value of quantitative Variables can be determined by counting or measuring something.
The value of qualitative Variables can't be determined by counting or measuring something.
Now consider the provided options:
Option A) Dosage form - 1=tablet, 2=capsule, 3=liquid solution, 4=other
This is not a quantitative Variables, because we can't determined the value by counting the measuring.
Option B) Age (in years) - <<20, 20-30, 30-40, 40-50, 50-60, 60 or above
This is not a quantitative Variables
Option C) Smoking history (cigarettes per year)
We can count the number of cigarettes per year so it is a quantitative Variables.
Thus, the option C) Smoking history (cigarettes per year) is correct.
Option D) Body mass index (kg/m2kg/m2)
We can count the Body mass index as it is a numerical value.
Thus, the option D) Body mass index (kg/m2kg/m2) is correct.
Option E) Gender - Male, Female
This is not a quantitative Variables, because we can't determined the value by counting the measuring.