Statistics & Probability

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Statistics & Probability MCQ & Objective Questions

Statistics and Probability are crucial subjects in the academic journey of Indian students, especially for those preparing for school and competitive exams. Mastering these topics not only enhances analytical skills but also boosts confidence during exams. Practicing MCQs and objective questions is an effective way to solidify your understanding and improve your scores. Engaging with practice questions helps identify important concepts and prepares you for the types of questions you will encounter in your exams.

What You Will Practise Here

  • Fundamental concepts of Statistics including mean, median, and mode
  • Understanding probability theory and its applications
  • Key formulas related to permutations and combinations
  • Graphical representation of data through histograms and pie charts
  • Analysis of data sets and interpretation of results
  • Common distributions such as binomial and normal distributions
  • Real-life applications of Statistics and Probability in decision making

Exam Relevance

Statistics and Probability are integral parts of the curriculum for CBSE, State Boards, and competitive exams like NEET and JEE. Students can expect questions that test their understanding of concepts, calculations, and data interpretation. Common question patterns include multiple-choice questions that require quick thinking and application of formulas, making it essential to practice regularly. Familiarity with these topics can significantly enhance your performance in exams.

Common Mistakes Students Make

  • Confusing the concepts of mean, median, and mode
  • Misapplying probability rules, especially in conditional probability
  • Overlooking the importance of sample size in statistical analysis
  • Failing to interpret graphical data accurately
  • Neglecting to practice problems involving permutations and combinations

FAQs

Question: What are the key topics to focus on in Statistics and Probability for exams?
Answer: Focus on measures of central tendency, probability rules, and data interpretation, as these are frequently tested.

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

Start solving practice MCQs today to test your understanding and boost your confidence in Statistics and Probability. Remember, consistent practice is the key to success in your exams!

Q. In the data set 10, 20, 20, 30, 40, what is the mode?
  • A. 10
  • B. 20
  • C. 30
  • D. 40
Q. In the data set 2, 3, 5, 7, 7, what is the mode?
  • A. 2
  • B. 3
  • C. 5
  • D. 7
Q. In the data set 5, 5, 6, 7, 8, what is the mode?
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. In the data set: 1, 2, 2, 3, 4, 4, 4, 5, what is the mode?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. In the data set: 2, 3, 5, 7, 7, 8, what is the mode?
  • A. 2
  • B. 3
  • C. 7
  • D. 8
Q. In the data set: 7, 8, 9, 10, 10, 10, 11, what is the mode?
  • A. 7
  • B. 8
  • C. 10
  • D. 11
Q. What is the mean of the following numbers: 1, 1, 2, 3, 5?
  • A. 1
  • B. 2
  • C. 3
  • D. 5
Q. What is the mean of the following numbers: 12, 15, 20, 25?
  • A. 15
  • B. 20
  • C. 22
  • D. 25
Q. What is the mean of the following numbers: 15, 25, 35, 45?
  • A. 25
  • B. 30
  • C. 35
  • D. 40
Q. What is the mean of the following numbers: 5, 10, 15, 20?
  • A. 10
  • B. 12.5
  • C. 15
  • D. 17.5
Q. What is the mean of the numbers 1, 2, 3, 4, 5?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. What is the mean of the numbers: 5, 10, 15, 20, 25?
  • A. 10
  • B. 15
  • C. 20
  • D. 25
Q. What is the median of the following data set: 3, 1, 4, 2?
  • A. 2
  • B. 2.5
  • C. 3
  • D. 4
Q. What is the median of the following data set: 7, 3, 5, 9, 1?
  • A. 5
  • B. 6
  • C. 7
  • D. 4
Q. What is the mode of the data set: 2, 3, 4, 4, 5, 5, 5, 6?
  • A. 2
  • B. 4
  • C. 5
  • D. 6
Q. What is the mode of the data set: 5, 5, 6, 7, 8, 8, 8?
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. What is the mode of the following set of numbers: 1, 2, 2, 3, 4, 4, 4, 5?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. What is the range of the data set: 10, 15, 20, 25, 30?
  • A. 15
  • B. 20
  • C. 25
  • D. 30
Q. What is the range of the data set: 15, 22, 8, 19, 30?
  • A. 22
  • B. 15
  • C. 30
  • D. 7
Q. What is the range of the data set: 7, 3, 9, 5, 12?
  • A. 5
  • B. 6
  • C. 7
  • D. 9
Q. What is the range of the following data set: 15, 22, 8, 19, 30?
  • A. 22
  • B. 15
  • C. 30
  • D. 7
Q. Which measure of central tendency is most affected by extreme values?
  • A. Mean
  • B. Median
  • C. Mode
  • D. Range
Q. Which of the following distributions is used to model the number of successes in a fixed number of trials?
  • A. Normal
  • B. Binomial
  • C. Poisson
  • D. Exponential
Q. Which of the following is NOT a measure of dispersion?
  • A. Range
  • B. Variance
  • C. Mean
  • D. Standard Deviation
Q. Which of the following is the mode of the data set: 2, 3, 4, 4, 5, 5, 5?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
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