Business Analytics — DU B.Com (P) Previous Year Question Papers

EEEff i± far E± 5. F in-TT5r tit t3i5R 6fan " ian ian vat a]]qrti an, aiinwh ed. en qTan ngqT a in rfu I State whether the following statements are True or False'. Justify your answer with reasons : (a) (b) Business Analytics focuses only on statistical and mathematical tools ant does not use business knowledge. Ratio data does not have a true zero point, whereas interval data has a true zero value, indicating the absence of a value. (c) (d) Data-driven decision-making is an essential part of Business Analytics. Business Intelligence and Business Analytics mean the same thing. (e) Visualization tools like Tableau and Power 81 are used only by IT professionals. (a) What do you understand by Business Analytics and Data Analytics? Explain, using suitable examples, the various categories of data analytics. (b) Explain the scope and importance of Business Analytics in modern organizations. 3. (a) What do you understand by data cleaning and data validation? (7.5) (b) What are the major sources of business data? Explain with examples. (7.5) (c) Explain measures of central tendency and dispersion with examples. (10) (d) Briefly explain the various assumptions of linear regression. (5) 4. Explain any three of the following : (5x3) (a) Big Data (c) Text Mining