Q. Find the median of the data set: 12, 15, 11, 10, 14, 13. (2020)
A.
11
B.
12
C.
13
D.
14
Solution
First, arrange the numbers: 10, 11, 12, 13, 14, 15. Since there are 6 numbers (even), the median is the average of the 3rd and 4th numbers: (12 + 13) / 2 = 12.5.
Q. Find the median of the data set: 12, 15, 11, 14, 13, 10. (2020)
A.
11
B.
12
C.
13
D.
14
Solution
First, arrange the numbers: 10, 11, 12, 13, 14, 15. Since there are 6 numbers (even), the median is the average of the 3rd and 4th numbers: (12 + 13) / 2 = 12.5.
Q. Find the mode of the following set of numbers: 10, 12, 10, 15, 10, 20, 15, 15.
A.
10
B.
12
C.
15
D.
20
Solution
The number 10 appears 3 times and 15 appears 3 times. Since both have the highest frequency, the mode is 10 and 15 (bimodal). However, if only one mode is required, we can take the first one, which is 10.
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!
Soulshift Feedback×
On a scale of 0–10, how likely are you to recommend
The Soulshift Academy?
