Practice - Interpretation
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Practice Questions
Test your understanding with targeted questions
What is the mean of the data set: {2, 4, 6, 8}?
💡 Hint: Add all numbers and divide by the count.
What does a variance of 0 signify?
💡 Hint: Think about the spread of data.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a high standard deviation indicate?
💡 Hint: Think about the nature of variability.
True or False: The square of the standard deviation is equal to the variance.
💡 Hint: Recall the definitions of both terms.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You have the following data set: {12, 15, 9, 20, 22}. Calculate the variance and the standard deviation.
💡 Hint: Remember the formulas for variance and take the √ to find SD.
Analyze the following data based on gender distribution in a classroom and calculate the standard deviation: Males: 5, 4, 3, 2. Females: 4, 5, 6, 7.
💡 Hint: Understand how to treat separate groups carefully.
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Reference links
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