Practice What is Statistical Inference? - 4.1 | 4. Statistical Inference and Hypothesis Testing | Data Science Advance
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Knowledge

4.1 - What is Statistical Inference?

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is point estimation?

💡 Hint: Think of a specific number you might use to represent a larger group.

Question 2

Easy

What does interval estimation provide?

💡 Hint: It gives you more than just one answer.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does statistical inference allow us to do?

  • Make conclusions about a sample only
  • Make generalizations about a population based on a sample
  • Estimate probabilities for future events

💡 Hint: Think about how small data sets relate to larger contexts.

Question 2

True or False: Point estimation provides a range of values rather than a single point.

  • True
  • False

💡 Hint: Remember the difference between point and interval estimation.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation