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How to use matrices to represent and manipulate data?

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How do you muliply matrices by scalars?

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What is correlation?

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What is causation

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How do you distingush between correlation and causation?

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How do you add matrices of appropriate dimensions?

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How do you subtract matrices of appropriate dimensions?

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How do you multiply matrices of appropriate dimensions?

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Why is matrix multiplication not a commutative operation?

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How do you decide if simulated data is statistically significant?

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What is the role of the zero and the identity matrices in matrix addition and multiplication?

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When do you use sample surveys, experiments and observational studies?

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What are the different purposes of sample surveys, experiments and observational data?

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How do you multiply a vector by a matrix?

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How can you use data from a sample survey to estimate a population mean or proportion?

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Work with 2 × 2 matrices as a transformations of the plane, and interpret the absolute value of the determinant in terms of area.