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Data Science & Analytics Questions - Data Science

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In A/B testing, the ______ hypothesis states that there is no difference between groups.
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What does AUC-ROC measure in binary classification?
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Correlation implies causation in statistical analysis.
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What is the main advantage of ensemble methods?
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Regularization techniques help prevent overfitting in machine learning models.
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The ______ sampling technique ensures that each subgroup is represented in the sample.
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What is the purpose of feature engineering?
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Time series data requires special handling due to temporal dependencies.
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The ______ test is used to check if a time series is stationary.
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What does SMOTE technique help with?
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