Practice - Statistical Analysis
Practice Questions
Test your understanding with targeted questions
What is the mean of the following numbers: 2, 4, 6?
💡 Hint: Add the numbers together and divide by how many there are.
What does standard deviation measure?
💡 Hint: Think about how consistent the performance is.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the mean represent?
💡 Hint: Think about how you calculate average grades.
True or False: ANOVA can only compare two groups.
💡 Hint: Remember what T-test is for.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You have data from five athletes indicating their times in a 100m dash (in seconds): 11.5, 11.8, 11.2, 11.6, and 12.0. Calculate the mean and standard deviation.
💡 Hint: Use the formulas for mean and standard deviation.
A coach wants to know if a new training method improves athlete performance. Group A had an average score of 25 points while Group B had 30 points. A t-test was conducted. What should the coach conclude if the result was significant?
💡 Hint: Focus on the significance level.
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Reference links
Supplementary resources to enhance your learning experience.