Alexander lives 10 kilometers south of the school and he usually gets home in 10 minutes. What speed does the bus usually travel? What is the bus' velocity? Remember to include units (km per min) in your answer! Alexander's speed is usually: Alexander's velocity is usually:

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