Practice Chi-Square Tests - 6 | Statistics | Mathematics III (PDE, Probability & Statistics)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define the term 'Chi-Square Test'.

πŸ’‘ Hint: Think about how we compare real data to theoretical models.

Question 2

Easy

What is an observed frequency?

πŸ’‘ Hint: Consider what you see in your collected data.

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 the Chi-Square statistic test for?

  • Observed means vs. expected means
  • Observed frequencies vs. expected frequencies
  • Sample sizes

πŸ’‘ Hint: Think about what you're comparing in the analysis!

Question 2

True or False: The Goodness of Fit test is only applicable for numerical data.

  • True
  • False

πŸ’‘ Hint: Consider the types of data involved.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A researcher collected data on participant preferences for three snack types among male and female groups. Create a contingency table and apply a Chi-Square test to analyze the independence of gender and snack preference.

πŸ’‘ Hint: Remember to check degrees of freedom when finding critical values!

Question 2

A dice manufacturer claims their dice are unbiased. You roll a die 60 times and get the results: 1(10), 2(8), 3(12), 4(15), 5(7), 6(8). Use the Goodness of Fit test to determine if the die is fair.

πŸ’‘ Hint: Ensure to assess if the total fits your total rolls!

Challenge and get performance evaluation