Provides basic statistics on the test as a whole and is useful for gaining a quick look at performance and basic statistical analysis.
Description
The Test Statistics report displays: Score Data: possible number of test points, number of graded items, and high and low scores. Statistics: mean, benchmark, range, standard deviation, and variance Percentiles: 25th and 75th percentile, plus interquartile range, and median score Confidence Intervals: 1, 5, 95 and 99% intervals Test Reliability: Kuder-Richardson and Cronbach Alpha statistics.
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