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Is the following statement true or false and why: Even if the Bayes decision boundary for a given problem is linear, we will probably achieve a superior test error rate using QDA rather than LDA because QDA is flexible enough to model a linear decision boundary.

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To answer this question, you should review the bias-variance tradeoff and think about when it would be beneficial to use a more flexible model such as QDA. Consider the implications of using a high-variance model when the true decision boundary is simple.

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