Dr. Shepard is testing a new drug to treat arthritis symptoms. He uses a sample group of 1,000 arthritis sufferers, and has them each take the drug when experiencing symptoms, such as swelling, pain, and redness of the joints. Of this sample group, 839 report that their arthritic symptoms seem to subside after taking the drug. From this data, Dr. Shepard concludes that the drug is effective. Is his conclusion scientifically valid?

what is the tax base for the sales tax?

it should be (usually ) 6%

barack obama

i love this guy

we need an attachment to see what you are talking about.

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.