- (C) A p value of .05 or less indicates that a difference is statistically significant. p stands for
probability, and a p value gives the probability that the result occurred by chance. To compute the
p value in this case, Matt will have to use both the standard deviation and the mean, but neither of
those alone will tell him whether or not the difference is significant. Given the type of data with
which Matt is working, he would have to run a t-test rather than a chi square test or a Pearson
correlation to find a p value.
marvins-underground-k-12
(Marvins-Underground-K-12)
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