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Data Science & Analytics Questions - Data Science

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Gradient descent always finds the global minimum for any function.
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The ______ coefficient measures the linear relationship between two variables.
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Which technique is used to detect outliers in multivariate data?
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What is the main purpose of data normalization?
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Bagging helps reduce model variance while boosting helps reduce model bias.
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The ______ method is used to estimate treatment effects in observational studies.
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