This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. I want to find out how many people in my school like a certain brand of soda, so I watch what all of my friends drink. This is an example of a(n) ..... (a) . A) A. Observational Study. B) Double Blind Study. C) Experiment. D) Randomized Trial. Show Answer Correct Answer: A) A. Observational Study. 2. Interview every 10th student who enters the school in the morning. A) Simple random. B) Voluntary response. C) Systematic. D) Convenience. Show Answer Correct Answer: C) Systematic. 3. What is the branch of Mathematics that involves collecting, organizing, analysing and interpreting data is ..... A) Algebra. B) Geometry. C) Statistics. D) Trigonometry. Show Answer Correct Answer: C) Statistics. 4. If the given class limits are:5-1415-2425-3435-44What is the class size or the "i" A) 5. B) 10. C) 15. D) None of the above. Show Answer Correct Answer: B) 10. 5. A level of measurement involves meaningful amounts of differences between data and has no absolute zero is called ..... A) Interval. B) Nominal. C) Ordinal. D) Ratio. Show Answer Correct Answer: A) Interval. 6. A group of subjects selected from a population is a ..... A) Portion. B) Sample. C) Group. D) Data. Show Answer Correct Answer: B) Sample. 7. What is the primary goal of homeostasis in the human body? A) To regulate body temperature only. B) To maintain a stable internal environment. C) To increase blood sugar levels. D) To decrease blood pressure. Show Answer Correct Answer: B) To maintain a stable internal environment. 8. Find the experimental probability:Roll dice:1, 3, 3, 4, 4Rolling a 1? A) 3/5. B) 1/6. C) 2/5. D) 1/5. Show Answer Correct Answer: D) 1/5. 9. What is the purpose of the "Look back" step in George Polya's Problem-Solving Framework? A) To ensure the result is correct and makes sense. B) To start a new problem. C) To avoid making mistakes. D) To memorize the solution. Show Answer Correct Answer: A) To ensure the result is correct and makes sense. 10. Which of the following is a measure of central tendency that is not affected by extreme values? A) Median. B) Mean. C) Geometric mean. D) Maximum. Show Answer Correct Answer: A) Median. 11. Which statistical instrument is best used in sectioning of students in school? A) Survey. B) Interview. C) Observation. D) Student's Records/School Form. Show Answer Correct Answer: D) Student's Records/School Form. 12. What is the focus of merchandising mathematics? A) Developing new software. B) Studying consumer behavior. C) Determining the quality and cost of materials. D) Analyzing market trends. Show Answer Correct Answer: C) Determining the quality and cost of materials. 13. Find the value of x in the equation 2x + 5 = 15. A) X = 5. B) X = 10. C) X = 7.5. D) X = 3. Show Answer Correct Answer: A) X = 5. 14. Calculate the mean of this set of numbers; 2, 2, 8, 5, 9, 2, 12, 5, 11, 10 A) 5.6. B) 12. C) 6. D) 6.6. Show Answer Correct Answer: D) 6.6. 15. Which of the following is an example of discrete data? A) Average daily temperature. B) Number of Facebook likes. C) Number of litters of milk in a gallon. D) Volts of electricity. Show Answer Correct Answer: B) Number of Facebook likes. 16. These are data generated by the researcher himself/herself. A) Quantitative. B) Qualitative. C) Primary. D) Secondary. Show Answer Correct Answer: C) Primary. 17. Given the data set, 5, 7, 8, 2, 1, 6 Determine the mode. A) 5. B) 2. C) 3. D) None of these. Show Answer Correct Answer: D) None of these. 18. In a survey, what does a 'sample' refer to? A) The entire population. B) A subset of the population. C) The survey questions. D) The survey results. Show Answer Correct Answer: B) A subset of the population. 19. If the radius of circle A is 3 cm long, how long is the diameter? A) 1.5 cm. B) 3 cm. C) 6 cm. D) 9 cm. Show Answer Correct Answer: C) 6 cm. 20. One of the given is not the feature of Statistics A) Designing of Population. B) Affected by multiplicity of causes. C) Aggregate of Facts. D) Collected by enumeration. Show Answer Correct Answer: A) Designing of Population. 21. Evaluate the expression 301+25*587/(872-256). A) 2, 684.5. B) 3, 684.5. C) 4, 684.5. D) 1, 684.5. Show Answer Correct Answer: A) 2, 684.5. 22. It is the average of a data set. A) Mean. B) Median. C) Mode. D) Rate. Show Answer Correct Answer: A) Mean. 23. What is the purpose of developing problem-solving strategies in the course? A) To help make sense of problems and solve them. B) To memorize historical dates. C) To learn different languages. D) To write creative stories. Show Answer Correct Answer: A) To help make sense of problems and solve them. 24. If 'P' is the simple correlation coefficient, the quantity $P^2$ A) Coefficient of determination. B) Coefficient of non-determination. C) Coefficient of alienation. D) None of the above. Show Answer Correct Answer: A) Coefficient of determination. 25. If a student has a Combined score of 55, what would their 'Class' be according to the given classification? A) Second. B) Distinction. C) First. D) Fail. Show Answer Correct Answer: A) Second. ← PreviousNext →Related QuizzesClass 11 Mathematics Chapter 15 Statistics Quiz 1Class 11 Mathematics Chapter 15 Statistics Quiz 3Class 11 Mathematics Chapter 15 Statistics Quiz 4Class 11 Mathematics Chapter 15 Statistics Quiz 5Class 11 Mathematics Chapter 15 Statistics Quiz 6Class 11 Mathematics Chapter 15 Statistics Quiz 7Class 11 Mathematics Chapter 15 Statistics Quiz 8Class 11 Mathematics Chapter 15 Statistics Quiz 9Class 11 Mathematics Chapter 15 Statistics Quiz 10Class 11 Mathematics Chapter 15 Statistics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books