Online medical info usa today posted this question on its web "how often do you seek medical information online? " of 1072 internet users who chose to respond, 38% of them responded with "frequently." what term is used to describe this type of survey in which the people surveyed consist of those who decided to respond? what is wrong with this type of sampling method?

Given this information, which expression must represent the value of b?

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?