Examlex
When assessing usability,you can collect information by ________,________,________,and ________.
t-Table
A table used in statistics that shows the critical values of the t-distribution, used in hypothesis testing and constructing confidence intervals.
Degrees of Freedom
The number of independent values or quantities that can vary in an analysis without violating any constraints.
Mean
The arithmetic average of a set of values, calculated by summing up all the values and then dividing by the number of values.
F Distribution
A probability distribution that arises in the analysis of variances for comparing sample variances or testing the hypothesis of equal variances, used primarily in ANOVA.
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