Calculate the cost of treating your own headache for each medicine based on your body weight. Make vid tutorial teaching the audience what conversion factors are and how to derive them from a problem. Clearly write out an organize all conversion factors. Then write out the conversion for each medicine. Once you have concluded the cheapest option for curing your headache, calculate the cost per individual molecule of your pain reliever. Availability: Excedrin 200 cap bottle for $15.51 containing 250 mg of acetaminophen. dosed at 240mg per 35lbs BM, chemical formula C8H9NO2
Advil 300 tablet bottle $15.00 containing 200mg of ibuprofen, dosed at 113 mg per 25lbs of BM, chemical formula C13H18O2
Tylenol has 225 pills per bottle for $14.97 containing 500mg of paracetamol, dosed at 102mg per 15lbs of BM, chemical formula C8H9NO2

CALCULATE USING DIMENSIONAL ANALYSIS!

1. the question asks the most appropriate, which seems to rule out "all of the above." your choice appears to be the correct one.

2. the protocol described is good for identifying correlation, but not cause and effect. for cause/effect, you need to devise a protocol that will assign the treatment (or not) to groups that have essentially the same "demographics" with respect to all the other variables. your choice regarding control group seems appropriate. random assignment of treatment (choice d) may be appropriate also. (i think you can argue that b and d are just different descriptions of the same method.)

3. d will randomize the birds, but may not guarantee there are 10 in each group. e will do both, so seems the better choice.

comment on question 2

based on the problem statement, it seems clear that confident, attentive drivers are more likely to use daytime running lights. so, the protocol might need to be devised in such a way that the lights would be turned on or off without the driver's knowledge. (an attentive driver will figure it out.) assigning a confident, attentive driver to a group required to drive without running lights might mess with his/her confidence and attentiveness. you don't want your experiment to do that. (nor do you want the experiment to subject a driver to greater risk of accident as a consequence of driving without running lights.) experiments involving human safety are always problematic.

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i'm wiling to try and you : )