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Which of the following statements is NOT true about statistics and data science?
1) Data science focuses more on inference to understand the population than the characteristics of data.
2) Data science often assumes structured formats, like the database table with a set of columns or fields and a set of rows or records.
3) Unstructured raw data can be transformed into a structured format to apply statistics and data science.
4) Broadly, data types can be classified to numeric or categorical.