4.6 - Practical Applications in Data Science
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Practice Questions
Test your understanding with targeted questions
Define A/B Testing.
💡 Hint: Think of options to compare outcomes.
What does feature selection involve?
💡 Hint: Consider how we choose important data points.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What statistical method is commonly used in A/B Testing?
💡 Hint: Think about how two groups are compared statistically.
True or False: Feature selection improves model performance by using all available features.
💡 Hint: Consider if more features always mean better performance.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A company wishes to determine whether a new website design leads to increased sales. Describe how they might use A/B testing to assess this.
💡 Hint: Think about the comparison methodology.
Consider a dataset where you suspect certain demographic variables might not influence customer satisfaction. How would you approach feature selection?
💡 Hint: Consider the types of tests for analyzing means.
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