JNTU
JNTU B.Tech IV PREDICTIVE ANALYTICS Previous Question Paper (July - 2019 - R15)
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
Part A
Why do we need Analytics.
Answer
Analytics is needed to transform raw data into actionable insights, enabling organizations to make informed, evidence-based decisions, optimize operational efficiency, and predict future trends to gain a competitive advantage.
What is the importance of regression in analytics?
Answer
Regression is fundamental in analytics for modeling the relationship between a dependent variable and one or more independent variables. It is used to quantify the strength of relationships, predict continuous numerical outcomes, and identify which factors have the most significant impact on a target metric.
Where is Logistic Regression concepts applied?
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Why do we use data visualization?
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Explain what is overfitting.
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How is segmentation different from regression?
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What is Time Series?
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Mention the uses of Forecast error.
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What do you mean by version control?
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List the reasons why document scope is usually used.
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Part B
Give an overview of Data Modeling Techniques.
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List and explain various steps involved in Analytics.
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Explain the need for Business modeling.
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Discuss about the BLUE property of Regression.
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Discuss about Multinomial Logistic Regression.
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Explain the role of confusion matrix in visualization of the performance of an algorithm.
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Differentiate between OLS & MLE.
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Illustrate the interpretation of the model through maximum likelihood estimates.
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Describe the tools used to make Decision Tree.
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What is the Measure of Impurity? Explain.
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Give a note on CHI-squared Automatic Interaction Detector.
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List and define different methods used by the organizations to review skills and knowledge.
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Explain various steps involved in ETL. List any five commercially available ETL tools.
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What are the Measures of forecast Accuracy? Explain.
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Give a note on ARIMA.
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Write the steps involved in writing your case study.
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Give the sample Format of Documents.
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How would you insert an image from the internet into a Word document or PowerPoint?
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Write notes on the importance of Peer review and feedback.
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