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Q. The median of the following data set: 3, 7, 9, 15, 20 is?
  • A. 7
  • B. 9
  • C. 15
  • D. 20
Q. The scores of a class in a test are: 10, 12, 14, 16, 18. What is the variance? (2022)
  • A. 4
  • B. 6
  • C. 8
  • D. 10
Q. The scores of a test are: 20, 30, 40, 50. Calculate the variance. (2020)
  • A. 100
  • B. 200
  • C. 300
  • D. 400
Q. The scores of a test are: 20, 30, 40, 50. What is the standard deviation? (2020)
  • A. 10
  • B. 15
  • C. 20
  • D. 25
Q. The scores of five students are: 20, 22, 24, 26, 28. Calculate the variance. (2020)
  • A. 8
  • B. 10
  • C. 12
  • D. 14
Q. The scores of five students are: 20, 22, 24, 26, 28. What is the standard deviation? (2020)
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. The scores of five students are: 20, 22, 24, 26, 28. What is the variance? (2020)
  • A. 4
  • B. 6
  • C. 8
  • D. 10
Q. The standard deviation of a data set is 5. If all values are increased by 2, what will be the new standard deviation? (2020)
  • A. 3
  • B. 5
  • C. 7
  • D. 10
Q. The standard deviation of a data set is 5. What is the variance? (2023)
  • A. 20
  • B. 25
  • C. 30
  • D. 35
Q. The variance of a sample is calculated as 25. What is the standard deviation?
  • A. 5
  • B. 10
  • C. 15
  • D. 20
Q. Two dice are thrown simultaneously. What is the probability that the sum of the numbers on the dice is 7?
  • A. 1/6
  • B. 1/12
  • C. 1/36
  • D. 1/3
Q. What is the mean of the following data set: 4, 8, 6, 5, 3? (2021)
  • A. 4
  • B. 5
  • C. 6
  • D. 7
Q. What is the median of the following data set: 12, 15, 14, 10, 18? (2023)
  • A. 12
  • B. 14
  • C. 15
  • D. 18
Q. What is the median of the following data set: 3, 7, 9, 5, 11?
  • A. 5
  • B. 7
  • C. 9
  • D. 11
Q. What is the median of the following data set: 5, 3, 8, 6, 2, 4?
  • A. 4
  • B. 5
  • C. 5.5
  • D. 6
Q. What is the median of the following data: 1, 2, 3, 4, 5, 6, 7, 8?
  • A. 4
  • B. 4.5
  • C. 5
  • D. 6
Q. What is the median of the following numbers: 10, 20, 30, 40, 50, 60, 70? (2022)
  • A. 30
  • B. 40
  • C. 50
  • D. 60
Q. What is the median of the following numbers: 22, 18, 25, 30, 20? (2021)
  • A. 20
  • B. 22
  • C. 25
  • D. 30
Q. What is the median of the following numbers: 8, 3, 5, 12, 7, 10? (2023)
  • A. 5
  • B. 7
  • C. 8
  • D. 10
Q. What is the median of the following set of numbers: 3, 7, 5, 9, 1? (2021)
  • A. 3
  • B. 5
  • C. 7
  • D. 9
Q. What is the median of the following set: 4, 1, 7, 3, 9, 2? (2022)
  • A. 3
  • B. 4
  • C. 5
  • D. 6
Q. What is the mode of the following data set: 2, 3, 4, 2, 5, 2, 3? (2023)
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. What is the mode of the following data set: 2, 3, 4, 4, 5, 5, 5, 6? (2023)
  • A. 4
  • B. 5
  • C. 6
  • D. 3
Q. What is the mode of the following data set: 3, 7, 3, 2, 5, 3, 8? (2023)
  • A. 2
  • B. 3
  • C. 5
  • D. 7
Q. What is the mode of the following data set: 4, 1, 2, 4, 3, 4, 2? (2023)
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the mode of the following data set: 4, 1, 2, 4, 3, 4, 5? (2019)
  • A. 1
  • B. 2
  • C. 4
  • D. 5
Q. What is the mode of the following data set: 5, 6, 7, 5, 8, 5, 9?
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. What is the mode of the following numbers: 1, 1, 2, 3, 3, 3, 4, 4?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the mode of the following numbers: 1, 2, 2, 3, 4, 4, 4, 5?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the mode of the following numbers: 2, 3, 3, 4, 4, 5, 5, 5?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
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Statistics & Probability MCQ & Objective Questions

Statistics and Probability are crucial subjects for students preparing for various school and competitive exams in India. Mastering these topics not only enhances your analytical skills but also boosts your confidence in tackling exam questions. Practicing MCQs and objective questions is an effective way to solidify your understanding and improve your performance in exams. By focusing on important questions and practice questions, you can ensure a thorough preparation strategy.

What You Will Practise Here

  • Fundamental concepts of Statistics including mean, median, and mode
  • Probability theory and its applications in real-life scenarios
  • Understanding and interpreting various types of data distributions
  • Key formulas related to permutations and combinations
  • Graphical representation of data through charts and histograms
  • Statistical measures of dispersion such as variance and standard deviation
  • Concepts of conditional probability and independent events

Exam Relevance

Statistics and Probability are integral parts of the curriculum for CBSE, State Boards, NEET, and JEE. These topics frequently appear in the form of MCQs, where students are tested on their ability to apply concepts to solve problems. Common question patterns include calculating probabilities, interpreting data sets, and applying statistical formulas. Familiarity with these question types can significantly enhance your exam readiness.

Common Mistakes Students Make

  • Confusing the concepts of mean, median, and mode
  • Misunderstanding the difference between independent and dependent events
  • Overlooking the importance of units when calculating probabilities
  • Failing to interpret graphs and charts accurately
  • Neglecting to practice problems involving permutations and combinations

FAQs

Question: What are the key formulas I should remember for Statistics and Probability?
Answer: Important formulas include those for mean, median, mode, variance, standard deviation, and the basic probability formula P(A) = Number of favorable outcomes / Total outcomes.

Question: How can I improve my accuracy in solving Statistics and Probability MCQs?
Answer: Regular practice of objective questions and understanding the underlying concepts will help improve your accuracy and speed in solving MCQs.

Start solving practice MCQs today to test your understanding of Statistics and Probability. The more you practice, the better prepared you will be for your exams. Let's ace those important Statistics & Probability questions together!

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