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critical z score
Critical z score is the distance between the boundaries of the "unlikely" area for a normal distribution and the mean of that distribution expressed in number of standard deviations; for example, if we assume a sampling distribution is normal, the ...
z score
A z score represents the number of standard deviations a score is above (if positive) or below (if negative) the mean.
t-test
The t-test uses the t-distribution (a sampling distribution of t) as a method of model comparison when you are evaluating a complex model against the empty model. It is very similar to using the F-distribution for model comparison, and, actually, ...
t distribution
T distribution is a probability distribution that is very similar but slightly more variable than the normal distribution. The t distribution has a slightly different shape depending on the degrees of freedom used to estimate . And for very large ...
mode
Mode is the most frequent score.