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  • Write an upper triangular matrix

    The student is asked to enter a given matrix, but they're only required to fill in the upper triangle.

    A custom marking algorithm fills in any empty cells in the lower triangle of the student's answer with the corresponding cell in the upper triangle.

    The student is still warned if they leave any cells empty in the upper triangle.

  • Alternative order of answers

    Question by Martin Jones

    No description given

  • Two-way frequency table

    Question by Picture of Christian Lawson-Perfect Christian Lawson-Perfect and 1 other

    This demonstrates how to:

    • Generate a fixed number of observations of data in two categories.
    • Display the data in a table, with row and column totals.
    • Ask the student to enter the data in a spreadsheet which is automatically marked.

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