The sample shows the number of practice problems ompleted in 30 minutes in 3 samples of 10 randomly selected math students selected

Ineed to know the answer right now! !

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

Change negative exponents to positive. then solve. round to four decimal places