Five students sit around a circular table. their chairs are numbered in order from 1 to 5. abby sits next to both van and collin. dalias it’s next to both ben and sarah. the numbers on abby’s in collins chairs add up to six. who sit in chair number three?

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0