WebA, More students in the lower group got the item correctly than those in the upper Group. B. More students in the upper group got the item correctly than those in the lower group. … WebThe proportion passing the upper and lower group is .80 and .95, respectively. What is the index of difficulty? a. .38b. .40 c. .58 d. 1.02. c. . 58. 25. Mr. Gringo tried to correlate the scores of hispupils in the Social studies test with their grades in …
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WebThe discriminative item analysis consists of two categories of information for each item: High/Middle/Low Group Comparison: Students are separated into the following three groups: High: top 27% of the score distribution Middle: middle 46% of the score distribution Low: bottom 27% of the score distribution Item Statistics/Indices WebDiamond owes the Diamondbacks $30.8 million (which would cover roughly a quarter of their 2024 player payroll) per the Chapter 11 filing, and while the exact amounts owed to … secretlab titan evo 2022 south africa
Grouped Frequency Distribution - Math is Fun
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