answer all questions 6

1. What is the difference between data, information, and knowledge?
2. What is Master Data Management? Why is it critical in modern organizations?
3. Give two examples for each of the following: Categorical Data, Nominal Data, Ordinal Data, Numeric Data, Interval Data, and Ratio Data.
4. What is Data Preprocessing? What are the main steps?
5. List and define the most common Descriptive Statistics.
6. What is Dispersion and what is the difference among Range, Variance, and Standard Deviation?
7. What is a Normal Distribution? What is the difference between Skewness and Kurtosis?
8. What is Regression and how does it differ from Correlation?
9. Explain the difference between Data Visualization and Visual Analytics?
10. What is a Dashboard? What are the most common dashboard characteristics?

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