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    Question

    P=400, MC= 200, Lerner index = ?

    A 0.5 Correct Answer Incorrect Answer
    B 0.26 Correct Answer Incorrect Answer
    C 0.24 Correct Answer Incorrect Answer
    D 0.2 Correct Answer Incorrect Answer
    E 0.21 Correct Answer Incorrect Answer

    Solution

    L = (P-MC)/P = (400-200)/400 = 0.5

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