Practice - Evaluation of Parameters
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Practice Questions
Test your understanding with targeted questions
What is the formula for calculating mean?
💡 Hint: Think of how you average a set of numbers.
Define variance in your own words.
💡 Hint: It's related to the concept of spread.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the mean of the following dataset: 12, 15, 18?
💡 Hint: Add the numbers and divide by the count.
True or False: Standard deviation is the square of the variance.
💡 Hint: Consider the relationship between variance and standard deviation.
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Challenge Problems
Push your limits with advanced challenges
A factory's production data shows that out of 100 gadgets, 70 are functioning, calculate the mean, variance, and standard deviation.
💡 Hint: Use the formulas for binomial distribution.
In a normal distribution, if the mean is 100 and the standard deviation is 15, calculate the value for which 95% of the data lies below it.
💡 Hint: Use the empirical rule for normal distributions.
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Reference links
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