Practice - Standard Deviation (σ or s)
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Practice Questions
Test your understanding with targeted questions
Calculate the standard deviation for the data set: 4, 8, 6, 5, 3.
💡 Hint: Find the mean first, then calculate each deviation.
If a data set has a mean of 10 and all values are the same, what is the standard deviation?
💡 Hint: Consider the definition of standard deviation.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a higher standard deviation indicate?
💡 Hint: Think about what a low standard deviation indicates.
True or False: A standard deviation of zero means all data points are identical.
💡 Hint: Reflect on what standard deviation measures.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
You collect the following measurements: 7, 8, 6, 9, 12. Find the standard deviation and explain its significance in context.
💡 Hint: Calculate mean and then apply the standard deviation formula.
A manufacturer records the weights of batches of products: 100g, 102g, 98g, 105g, 95g. Discuss how the standard deviation would be used to ensure quality control.
💡 Hint: Analyze the dispersion of weights relative to a target weight.
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