The relationship between women's whole- number shoe sizes and foot length forms an
arithmetic sequence, where an is the foot
length in inches that corresponds to a shoe
size of n. A women's size 3 fits a foot 8 inches
long and women's size 7 fits a foot
9 ſ inches long.
3
What is the common difference of the arithmetic
sequence?
The common difference is
inch.

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