Chapter Exam

Chapter 5: Measures of Central Tendency — Online MCQ Test

Q: Which of the following is considered the most popular measure of central tendency?

Answer: B. Arithmetic Mean — Arithmetic mean is the most widely used measure due to its mathematical properties and simplicity.

Q: Which partition value divides the series into four equal parts?

Answer: C. Quartile — Quartiles divide a series into four equal parts (Q1, Q2, Q3).

Q: Which measure is most suitable for calculating average speed or rates?

Answer: C. Harmonic Mean — Harmonic mean is specifically appropriate for averaging rates and speeds.

Q: If every observation in a dataset is increased by 5, the mean will:

Answer: B. Increase by 5 — The mean follows the principle of change of origin; adding a constant to each value increases the mean by that constant.

Q: In a series, if Q1 = 20 and Q3 = 40, what is the Quartile Deviation?

Answer: A. 10 — Quartile deviation is calculated as (Q3 - Q1) / 2 = (40 - 20) / 2 = 10.

STATISTICS · CLASS 11th · Tamil Nadu State Board

Practice Chapter 5: Measures of Central Tendency with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th STATISTICS. This chapter covers: This chapter covers average metrics arithmetic mean median mode geometric mean and harmonic mean calculations. Students evaluate partition values percentiles deciles quartiles and.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 5: Measures of Central Tendency — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th STATISTICS — Chapter 5: Measures of Central Tendency, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is considered the most popular measure of central tendency?