Answers

Difference Between Data Analysis and Data Analytics Detailed Link

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How to Handle Missing or Duplicate Data Detailed  Link

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Required  Skills

SQL Query: Find Second Highest Salary Easily Detailed  Link

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More Skills

Essential Tools: Tableau, Power BI, Python, Excel. Detailed  Link

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Some More

Data Model Validation: Accuracy, Recall, RMSE Metrics Detailed Link

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Important Skills

Hypothesis Testing: t-test vs z-test Simplified. Detailed Link

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