Hi,
I have to mark scripts based on a marking scheme thus:
10 questions of equal weighting, grade each answer from A to F. So each
question , obviously, counts for 10%. Given a random set of grades how do I
work out a final grade?
I considered allocating for each question 10% for an "A", 8% for an"B"
through to 0% for an F. I can add up the grades for each question to get a
grade out of 100%. However, only 70% or above = an "A", 60 - 69 a "B", 50 -
59 a "C", 40 - 49 a "D" and 30 - 39 = "E" below this is an F. So my idea
doesn't work (and wouldn't be very accurate anyway).
Any clues to a statistical technique appropriate for this problem?
Martin Boulger
[EMAIL PROTECTED]
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