Jessica and Lilly both play the same online game. In today's play, Jessica earns 7
points 3 times and loses 5 points twice.
Lilly gets a bonus of 20 points for
answering a trivia question
correctly and
loses 20 points twice for giving wrong
answers. Who had the greater change in
their total points?

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