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Numbas Error: Variable normalsample is not defined.
Numbas Error
at new Numbas.Error (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-33097-adam-s-copy-of-perform-a-paired-sample-t-test/scripts.js?build_time=1742757832.938245:75:13)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-33097-adam-s-copy-of-perform-a-paired-sample-t-test/scripts.js?build_time=1742757832.938245:17388:19)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-33097-adam-s-copy-of-perform-a-paired-sample-t-test/scripts.js?build_time=1742757832.938245:17399:21)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-33097-adam-s-copy-of-perform-a-paired-sample-t-test/scripts.js?build_time=1742757832.938245:17399:21)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-33097-adam-s-copy-of-perform-a-paired-sample-t-test/scripts.js?build_time=1742757832.938245:17399:21)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-33097-adam-s-copy-of-perform-a-paired-sample-t-test/scripts.js?build_time=1742757832.938245:17399:21)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-33097-adam-s-copy-of-perform-a-paired-sample-t-test/scripts.js?build_time=1742757832.938245:17399:21)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-33097-adam-s-copy-of-perform-a-paired-sample-t-test/scripts.js?build_time=1742757832.938245:17399:21)
at https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-33097-adam-s-copy-of-perform-a-paired-sample-t-test/scripts.js?build_time=1742757832.938245:17490:17
at Array.forEach ()
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