The data in the table represent the fuel economy (mpg) for a car at different speeds (mph).
according to the least squares regression equation, what is the approximate fuel economy for this vehicle at 65 mph?
a) about 46 mpg
b) about 49 mpg
c) about 22 mpg
d) about 36 mpg

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true