4.1 - What is Statistical Inference?
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Practice Questions
Test your understanding with targeted questions
What is point estimation?
💡 Hint: Think of a specific number you might use to represent a larger group.
What does interval estimation provide?
💡 Hint: It gives you more than just one answer.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does statistical inference allow us to do?
💡 Hint: Think about how small data sets relate to larger contexts.
True or False: Point estimation provides a range of values rather than a single point.
💡 Hint: Remember the difference between point and interval estimation.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A researcher has a data sample from a population. How would they calculate both a point and an interval estimate for the mean? Provide steps.
💡 Hint: Recall how to compute means and standard deviations.
You have noticed changes in customer purchase behavior over a month. Now you want to test if the average expenditure has increased. Outline the hypothesis testing steps you would take.
💡 Hint: Think about each step logically; use your learning from earlier sessions.
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