The heights, in inches of the 5 starters on 2 basketball teams are shown below. Team A: 71, 81, 72, 78. 82
Team B: 69, 81. 78, 79,76
Which of the following is true?

A)The mean absolute deviation of Team A is lower than the mean absolute deviation of Team B
B)Team B has a lower mean and a higher mean absolute deviation than Team A C)The mean absolute deviation of Team A is higher than the mean absolute deviation of Team B.
D)Team A has a lower mean and a higher mean absolute deviation than Team B.​

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