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Data Driven Decision Making Final Actual Assessment 2026 Complete Solved Questions

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DATA DRIVEN DECISION MAKING FINAL ACTUAL ASSESSMENT 2026 COMPLETE SOLVED QUESTIONS

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DATA MINING AND STAT LEARN CERTIFICATION
EVALUATION 2026 SOLVED QUESTIONS

◉ Column. Answer: Attribute, feature, covariate, predictor, factor,
variable


◉ Response/outcome. Answer: The 'answer' for each data point


◉ Structured data. Answer: Data that can be stored in a structured
way


◉ Quantitative. Answer: Numbers with meaning


◉ Categorical. Answer: Numbers without meaning


◉ Binary data. Answer: Can only take one of two values


◉ Unstructured data. Answer: Data that is not easily described and
stored


◉ Unrelated data. Answer: No relationship between data points

, ◉ Time series data. Answer: Same data recorded over time


◉ Validation. Answer: Measuring the quality of a model


◉ Real effect. Answer: Real relationship between attributes and
response, same in all data sets


◉ Random effect. Answer: Random, but looks like a real effect,
different in all data sets


◉ Model fit. Answer: Captures real and random effects


◉ Heuristic. Answer: Fast, good but not guaranteed to find absolute
best solution


◉ Expectation-maximization (EM). Answer: An iterative method to
find maximum likelihood or maximum a posteriori estimates of
parameters in statistical models


◉ Supervised learning. Answer: Correct answer (response) is known
for each data point (Ex: Classification)


◉ Unsupervised learning. Answer: Correct answer (response) is not
known (Ex: Clustering)

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