13.2.5 - Step-deviation Method
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Practice Questions
Test your understanding with targeted questions
What is the first step in the Step-deviation Method?
💡 Hint: Think about what serves as a reference point in calculations.
What does the symbol 'h' represent?
💡 Hint: It’s essential for dividing the deviations.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the Step-deviation Method?
💡 Hint: Think about what makes complex calculations easier.
True or False: The Step-deviation Method can yield different means compared to direct methods.
💡 Hint: Consider the properties of statistical measures.
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Challenge Problems
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Using the following data set, calculate the mean using the Step-deviation Method. Class intervals are 0-100, 100-200, and 200-300 with frequencies 10, 15, and 5. Assume a mean of 150.
💡 Hint: Break the problem down into steps, focusing on deviations first.
If you find a discrepancy between the mean calculated using the Step-deviation Method and another method, what factors could contribute to this? Discuss potential causes.
💡 Hint: Consider data distribution when evaluating discrepancies.
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