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BDM 221 DATA SCIENCE MAY TO AUGUST 2025 SEMESTER BLENDED 2.0 UNIT
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22C3. What does PCA do?
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21C3. Which algorithm is used for clustering?
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20C3. Which algorithm is sensitive to irrelevant features?
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18C3. Which metric is most useful when classes are imbalanced?
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19C3. What does overfitting mean?
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1C3. What type of visualization best shows the distribution of a single variable?
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17C3. What does the confusion matrix evaluate?
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16C3. Which algorithm is best for binary classification?
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10C3. In supervised learning, what kind of dataset is required?
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Why is the analysis step focused on the target variable in business analytics?
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