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BDM 221 DATA SCIENCE MAY TO AUGUST 2025 SEMESTER BLENDED 2.0 UNIT
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6C3. Which of the following is a classification algorithm?
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48C3. Which SQL function returns the average of a column?
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47C3. What does the GROUP BY clause do?
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49C3. Which SQL statement modifies existing records in a table?
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46C3. Which SQL clause is used to combine rows from two or more tables based on a related column?
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45C3. Which algorithm builds a hierarchy of clusters?
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44C3. What is the output of a clustering algorithm?
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43C3. Which unsupervised technique is used to detect anomalies?
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41C3. Which algorithm is best suited for discovering clusters in noisy data?
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42C3. What does PCA primarily aim to achieve?
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