Practice - Tests of Significance (Large Samples)
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Practice Questions
Test your understanding with targeted questions
What is the formula for a single proportion test?
💡 Hint: Remember what each symbol represents!
How do you calculate a Z-score?
💡 Hint: It's all about the average!
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of a proportion test?
💡 Hint: Think about what you're checking.
True or False: The formula for a single mean test requires standard deviation.
💡 Hint: Consider the components needed to calculate it.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A marketing survey showed that out of 200 respondents, 140 preferred Product A over Product B. Test the hypothesis that more than 50% of the population prefers Product A, at a 0.05 significance level.
💡 Hint: Calculate p and Q carefully before substituting!
Two different classes of students took the same test. Class A had a mean score of 70 with a standard deviation of 10 (n=30), and Class B had a mean score of 75 with a standard deviation of 15 (n=35). Conduct a hypothesis test to check if the difference between the means is significant.
💡 Hint: Identify your n values and standard deviations correctly!
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