Error in previously working question

[Mario Orsi]

Hi Christian and all,

just to report that this question used to work fine but it now throws an error:

https://numbas.mathcentre.ac.uk/question/9040/adaptive-marking-independent-two-sample-t-test/

Best,

Mario

[Ulrich Goertz]

Hello,

it looks like there previously was an implicit conversion from boolean (true/false) to integers (true = 1, false = 0) in the sum method.

Doing this conversion explicitly in the definition of the scenario variable seems to fix the problem (I only took a brief look however), see this copy of the question.

Best regards, Ulrich

[Christian Lawson-Perfect]

Ulrich is right. I've fixed the question. Thanks for letting me know!

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