Answer:
Option A and E
Step-by-step explanation:
Quantitative data means which can be expressed in terms of numbers. So fro the given options we have to look which of the given data can be measure and supported by numbers.
Option A - Protein in the diet can be measure and so does the muscle mass. Therefore, the hypothesis in option A can be supported by Quantitative Data.
Option B - We can not express this in number if something is ethical or not. So, this hypothesis cannot be supported by Quantitative Data
Option C - Happiness cannot be measured in terms of terms or numerical data. So, this hypothesis cannot be supported by Quantitative Data
Option D - Feelings cannot be measured in terms of terms or numerical data. So, this hypothesis cannot be supported by Quantitative Data
Option E - Blood Pressure and salt amount can be measured. Therefore, the hypothesis in option E can be supported by Quantitative Data.