12 results authored by Will Roberts - search across all users.
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Question in Will's workspace
A 'concept test'. 3 multiple choice questions about a graphed normal distribution curve modelling IQ data.
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Question in Will's workspace
No caculation 'concept test' on confidence intervals. A single multiple choice question interpreting a CI.
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Question in Will's workspace
A 'concept test' (no calculations) with 4 multiple-choice parts.
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Question in Will's workspace
(a) Read subscript notation to identify an element in a 3x3 matrix; (b) chose the correct subscripted name from a list for a given element in a 3x3 matrix.
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Question in Will's workspace
Find the determinant of a random (3x3) matrix.
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Question in Will's workspace
Find the determinant of a random (2x2) matrix.
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Question in Will's workspace
Multiple choice: select the correct (mxn) representation of the sizes of various matrices.
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Question in Will's workspace
Calculate the product of two 3D vectors in column notation.
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Question in Will's workspace
Find the cross product of 2D vectors (WARNING: requires scalar answer (magnitude only))
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Question in Will's workspace
Calculate the dot products of (a) two 2D vectors and (b) two 3D vectors.
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Question in Will's workspace
Part 1: multiply a 3D vector by an integer scalar
Part 2: perform scalar multiplication and subtraction in one expression with two 3D vectors -
Question in Will's workspace
No description given