Stocks vs. bonas
pre-test
active
what does it mean that stocks and bonds are relatively liquid?
a. they are easier to buy and sell than other forms of investment.
b. they tend to go up and down in value.
c. the amount of income they can bring changes frequently.
d. there are more of them to choose from than other forms of investment.
select the best answer from the choices provided
anyone?

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