Practice - Properties of Standard Deviation
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Practice Questions
Test your understanding with targeted questions
Define what standard deviation indicates in a data set.
💡 Hint: Think about whether values are close together or scattered.
Why can't the standard deviation be negative?
💡 Hint: Is distance ever negative?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a standard deviation of zero indicate?
💡 Hint: Consider how spread or close the values are.
True or False? A higher standard deviation means greater consistency.
💡 Hint: Think about what consistency means in relation to numbers.
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Challenge Problems
Push your limits with advanced challenges
Given the data points [3, 17, 7, 12], calculate the standard deviation. Analyze what this means about data variability.
💡 Hint: Start with calculating the mean and then find squared deviations.
If a company's quarterly earnings have a standard deviation of $100, what might that imply about earnings consistency?
💡 Hint: What do consistent earnings look like?
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Reference links
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