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9. Suppose we have the some students' name and grade in the following table. Customer Alice Bob Carl David course Math OS ML ML Rank

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9. Suppose we have the some students' name and grade in the following table. Customer Alice Bob Carl David course Math OS ML ML Rank 1st 3rd 2nd 4th Score 97 88 91 83 The table contains attributes of mixed type: 9.1) What are the types of courses, rank and score? 9.2) Please calculate the distance matrix of the table

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