Variance 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.
c.
a statement that asserts the status quo; that is, any change from what has been thought to be true is due to random sampling order.
d.
a statement that is the opposite of the null hypothesis.
e.
the error made by rejecting the null hypothesis when it is true.
Answer: A