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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the standard deviation for the data set: 4, 8, 6, 5, 3.
💡 Hint: Find the mean first, then calculate each deviation.
Question 2
Easy
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.
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 higher standard deviation indicate?
- Data points are closely clustered.
- Data points are widely spread.
- No variability.
💡 Hint: Think about what a low standard deviation indicates.
Question 2
True or False: A standard deviation of zero means all data points are identical.
- True
- False
💡 Hint: Reflect on what standard deviation measures.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation