7.3.2 - Techniques Used
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Practice Questions
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What is descriptive statistics?
💡 Hint: Think about measures like average or median.
Name one visualization tool.
💡 Hint: These can help to visualize data.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does descriptive statistics primarily focus on?
💡 Hint: Think of what statistics primarily do.
True or False: Outliers can have a significant impact on statistical analyses.
💡 Hint: Reflect on how extreme values affect averages.
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Challenge Problems
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You are given a dataset with missing values and outliers. Describe a step-by-step plan to clean this data and prepare it for analysis.
💡 Hint: Think about accuracy and quality of data.
Explain how you would visualize the relationship between sales revenue and advertisement spending, and what insights you hope to gain.
💡 Hint: Consider what you would look for on the graph.
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