Practice - Sample Size
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Practice Questions
Test your understanding with targeted questions
What is sample size?
💡 Hint: Think about how many participants are included.
Why is replication important in experiments?
💡 Hint: It helps ensure our findings are trustworthy.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of using a larger sample size in experiments?
💡 Hint: Think about the impact of sample size on accuracy.
True or False: A small sample size can lead to biased results.
💡 Hint: Consider how an unrepresentative sample can affect conclusions.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
You are tasked with designing a scientific study to evaluate a new type of light bulb's lifespan. Describe how you would determine the sample size, what variables you would control, and the steps you'd take to minimize bias.
💡 Hint: Consider different brands, environments, and treatment roles.
Analyze a case where a study on the effectiveness of a new diet utilized a sample size of 5 participants, discussing potential biases and improvements.
💡 Hint: Reflect on the diversity of the population.
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