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Data Science & Analytics Questions

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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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Which technique is most effective for handling concept drift in streaming data?
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What is the primary advantage of using Bayesian optimization for hyperparameter tuning?
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Causal inference can be established through observational data alone without experiments.
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Thompson Sampling is guaranteed to converge to the optimal solution in multi-armed bandit problems.
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The ______ algorithm is commonly used for approximate nearest neighbor search in high-dimensional spaces.
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In federated learning, the ______ aggregation method is used to combine model updates from different clients.
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Which technique is most suitable for feature selection in high-dimensional genomics data?
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What is the main challenge in implementing real-time machine learning systems?
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Differential privacy guarantees privacy protection even when an adversary has auxiliary information.
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The ______ method is used to estimate treatment effects in observational studies.
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