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From users who are members of CHY1201 - Spectroscopy :
|Nick Walker||said||Should not be used||2 years, 4 months ago|
Error in variable testing condition
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For each combination of answer and choice, specify the number of marks to add or subtract when the student picks it.
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These variables have some random elements, which means they're not guaranteed to have the same value each time the student submits an answer. You should define new variables to store the random elements, so that they remain the same each time this part is marked.
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