This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Given the scores 1, 3, 3, 3, 5, 5, 6, 6, 6, and 10. What is/are the mode? A) 3. B) 3 and 5. C) 5 and 6. D) 3 and 6. Show Answer Correct Answer: D) 3 and 6. 2. Which of the following is NOT a type of sampling mentioned? A) Systematic Sample. B) Qualitative Sample. C) Stratified Sample. D) Random Sample. Show Answer Correct Answer: B) Qualitative Sample. 3. Baby weight A) Constant. B) Variable. C) All the above. D) None of the above. Show Answer Correct Answer: B) Variable. 4. It refers to the consistency of results. A) Validity. B) Reliability. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reliability. 5. When a sample does not accurately represent the population it is a: A) A. Unbiased sample. B) B. Biased sample. C) All the above. D) None of the above. Show Answer Correct Answer: B) B. Biased sample. 6. In which type of sampling does each member of the population have an equally likely chance of being selected? A) Convenience Sample. B) Stratified Sample. C) Random Sample. D) Cluster Sample. Show Answer Correct Answer: C) Random Sample. 7. What is the formula for calculating the coefficient of determination? A) (SSR/SST). B) 1 + (SSR/SST). C) 1 * (SSR/SST). D) 1-(SSR/SST). Show Answer Correct Answer: D) 1-(SSR/SST). 8. The middle number of an ordered set of data is called what? A) Mean. B) Median. C) Mode. D) Outlier. Show Answer Correct Answer: B) Median. 9. Which of the following is a subset of a population that will serve as a representative of the whole population? A) Census. B) Population. C) Sample. D) Statistics. Show Answer Correct Answer: C) Sample. 10. What is the probability notation for the event that a random variable X from a t-distribution with 1 degree of freedom is greater than 2? A) P(X > 2). B) P(X < 2). C) P(X = 2). D) P(X $\geq$ 2). Show Answer Correct Answer: A) P(X > 2). 11. Which of the following is an example of categorical data? A) Age of Grade 7 Students. B) Favorite subject of Grade 7 Students. C) All the above. D) None of the above. Show Answer Correct Answer: B) Favorite subject of Grade 7 Students. 12. What is the main topic of the lesson? A) Calculus. B) Algebra. C) Statistics. D) Geometry. Show Answer Correct Answer: C) Statistics. 13. Military rank is an example of this scale of measurement. A) Nominal. B) Ordinal. C) Interval. D) Ratio. Show Answer Correct Answer: B) Ordinal. 14. . If there are 4 chocolate chips, 2 oatmeal, 2 double chocolate cookies in a box, in how many different orders can be made from these cookies? A) 420. B) 440. C) 470. D) 490. Show Answer Correct Answer: A) 420. 15. What is a quantitative variable that can take on a certain number of values? A) Categorical variable. B) Qualitative variable. C) Discrete variable. D) Numerical variable. Show Answer Correct Answer: C) Discrete variable. 16. Following are the partition values except A) Mode. B) Percentile. C) Quartile. D) Deciles. Show Answer Correct Answer: A) Mode. 17. Profit and loss account of the company obtained from company report is ..... data. A) Primary. B) Secondary. C) Numerical. D) Qualitative. Show Answer Correct Answer: B) Secondary. 18. What drives the process of natural selection? A) Genetic drift. B) Mutation. C) Survival of the fittest. D) Gene flow. Show Answer Correct Answer: C) Survival of the fittest. 19. The largest mathematical value in the data set A) Range. B) Mode. C) Mean. D) Maximum. Show Answer Correct Answer: D) Maximum. 20. The observation 20 will be in the class ..... A) 0-10. B) 10-20. C) 20-30. D) 30-40. Show Answer Correct Answer: C) 20-30. 21. Which of the following problems needs statistics to be solved? A) Over population. B) Shortage of Vaccine. C) Scarcity of food supply. D) ALL OF THEM. Show Answer Correct Answer: D) ALL OF THEM. 22. Which type of sequence has a constant ratio between consecutive terms? A) Arithmetic sequence. B) Geometric sequence. C) Fibonacci sequence. D) Harmonic sequence. Show Answer Correct Answer: B) Geometric sequence. 23. The curve drawn by taking upper limits along x-axis and cumulative frequency along y-axis is: A) Histogram. B) Less than ogive. C) Frequency polygon. D) More than ogive. Show Answer Correct Answer: B) Less than ogive. 24. Referring to differences in data sets that are larger than chance variation would predict. A) Reliability. B) Statistics. C) Statistically significant. D) Validity. Show Answer Correct Answer: C) Statistically significant. 25. If each interior angle of a rectangle is 90$^\circ$, is it true that the measurement of each interior angle of a 20-sided polygon is 162$^\circ$? A) Yes. B) No. C) Sometimes. D) Maybe. Show Answer Correct Answer: A) Yes. ← PreviousNext →Related QuizzesClass 11 Mathematics Chapter 15 Statistics Quiz 1Class 11 Mathematics Chapter 15 Statistics Quiz 2Class 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 9Class 11 Mathematics Chapter 15 Statistics Quiz 10Class 11 Mathematics Chapter 15 Statistics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books