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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define what standard deviation indicates in a data set.
💡 Hint: Think about whether values are close together or scattered.
Question 2
Easy
Why can't the standard deviation be negative?
💡 Hint: Is distance ever negative?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a standard deviation of zero indicate?
- Data points are different
- All data points are the same
- Data points are very spread out
💡 Hint: Consider how spread or close the values are.
Question 2
True or False? A higher standard deviation means greater consistency.
- True
- False
💡 Hint: Think about what consistency means in relation to numbers.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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?
Challenge and get performance evaluation