A) find the mean and median of the low temperatures. by) (5 pts) draw a time plot of the average high temperatures. (5pts) compute the sample variance of the high temperatures using formula 1-1

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.