Practice Step-deviation Method - 13.2.5 | 13. Statistics | CBSE 10 Mathematics
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Step-deviation Method

13.2.5 - Step-deviation Method

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the first step in the Step-deviation Method?

💡 Hint: Think about what serves as a reference point in calculations.

Question 2 Easy

What does the symbol 'h' represent?

💡 Hint: It’s essential for dividing the deviations.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the purpose of the Step-deviation Method?

To simplify calculations
To increase accuracy
To eliminate data

💡 Hint: Think about what makes complex calculations easier.

Question 2

True or False: The Step-deviation Method can yield different means compared to direct methods.

True
False

💡 Hint: Consider the properties of statistical measures.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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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