Phil was told that garlic oil was a good cure for headaches. If this hypothesis

Phil was told that garlic oil was a good cure for headaches. If this hypothesis were valid, which of the following is the best argument of expected outcome?
 A. People who never consume garlic oil would have many headaches.  
 
 B. People who consume garlic oil would have few headaches.  
 
 C. A group of people who consumed garlic oil at the onset of a headache would have headaches of shorter duration than those of an otherwise similar group of people who never consume garlic oil.  
 
 D. A group of people who consumed garlic oil would have fewer headaches than an otherwise similar group of people who never consume garlic oil.  
 
 E. People who consume garlic oil will have the garlic oil identified as a cause of shortened headaches.

Per was studying forest wildlife. Which of the following would be an example of a category of quantitative data?
 A. Presence or absence of dragonflies.  
 
 B. Presence or absence of otters.  
 
 C. Number of moose.  
 
 D. Presence or absence of deer.  
 
 E. Presence or absence of mink.