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591.If sum of all 10 values in the data set is 10, then what will be average?
592.3% is 600 of which number?
593.A learner is at the 84th percentile on a standardised test. What does this most defensibly mean?
594.Two raters independently classify each response as "pass" or "fail". Which statistic is especially appropriate for their categorical agreement after allowance for chance agreement?
595.Which procedure most directly supports a claim that an examination adequately samples the prescribed syllabus and intended cognitive demands?
596.A learner obtains an observed score of 70 and the test's standard error of measurement is 3. Using 70 ± 1.96(SEM), which approximate interval results?
597.For an MCQ, the proportion correct is 0.70 in the upper group and 0.55 in the lower group. Using D = p_u - p_l, what is the discrimination index?
598.Seventy-five of 100 learners answer an item correctly. What is the item difficulty index p?