- Read the question carefully and make sure you understand what is being asked.
- Identify the key information and variables given in the question.


- Refresh your knowledge of statistical analysis and probability concepts, such as mean, median, mode, standard deviation, probability rules, etc.
- Make sure you are familiar with the formulas and equations associated with these concepts.


- Arrange the given information in a clear and organized manner.
- Create tables, charts, or diagrams if necessary to visually represent the data.


- Analyze the question to determine the appropriate statistical or probability method to apply.
- Decide whether you need to calculate a specific value, find a probability, or perform a comparison.


- Use the relevant formula or method to calculate the desired value or solve the problem.
- Double-check your calculations to ensure accuracy.


- Once you have obtained the solution, interpret the results in the context of the problem.
- Make sure your answer makes sense and is relevant to the question.


- Solve a variety of questions from previous years' papers to familiarize yourself with the types of problems that can be asked.
- Analyze your mistakes and learn from them to improve your problem-solving skills.


- If you encounter a question that is unclear or confusing, don't hesitate to seek clarification from your teacher, classmates, or online resources like EduRev.
- Understanding the question correctly is essential for solving it accurately.


- Practice solving questions within a time limit to improve your speed and efficiency.
- Divide your time wisely among different sections or types of questions to ensure you attempt all the questions.


- After solving questions, review your answers and identify any mistakes or areas for improvement.
- Revise the relevant concepts and practice additional questions to reinforce your understanding.

By following these strategies and practicing regularly, you can enhance your problem-solving abilities and improve your performance in questions involving calculations based on statistical analysis or probability. Remember to stay calm, focused, and confident during the exam. Good luck!