Use the following data sets to answer the question.
set b: {9,30,12,3,16,11,18}
set b: {9,30,12,3,16,11,18}

which statement about the shape of the data is true?
a. both sets have the same median, but set b has a larger mean.
b. set a has a lower median but a higher mean than set b.
c. both sets have the same median, but set a has a larger mean.
d. set b has a larger mean and median than set a.

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