Sam is building a model of an antique car. The scale of his model to the actual car is 1:10. His model is 12 inches long. How long is the actual car?
The length of the actual car is
inches.

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