Practice Discrete Series - 5.2.1.2.1 | 5. Measures of Central Tendency | CBSE 11 Statistics for Economics
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is meant by a discrete series?

💡 Hint: Think about examples from daily life.

Question 2

Easy

Define frequency in statistics.

💡 Hint: Consider how many students scored a specific grade.

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 the direct method of calculating mean involve?

  • A. Summing values only
  • B. Multiplying frequencies by values
  • C. Using assumed mean

💡 Hint: Remember the formula used!

Question 2

True or False: The assumed mean method requires using actual observed values only.

  • True
  • False

💡 Hint: Think of it as a simplified approach!

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A farmer counts his apples in rows: 30 apples of size A, 60 apples of size B, and 10 apples of size C. Using the direct method, calculate the average size if A = 1cm, B = 2cm, C = 3cm.

💡 Hint: Don't forget to multiply size with frequency first!

Question 2

Using the step deviation method, given plot sizes of 80, 100, and 120 with frequencies 5, 10, and 15 respectively, calculate the mean assuming 100 as the mean.

💡 Hint: Start with deviations and remember to sum them!

Challenge and get performance evaluation