This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An area use to verify the effectiveness of the vaccine. A) Medicine. B) Political. C) Education. D) Demography. Show Answer Correct Answer: A) Medicine. 2. The sum of all numbers in a data set is 450. If the mean of the data set is 15, how many observations were there? A) 30. B) 15. C) 450. D) 60. Show Answer Correct Answer: A) 30. 3. Which diagram is commonly used to represent all possible outcomes of a two-step experiment? A) Venn diagram. B) Tree diagram. C) Bar graph. D) Pie chart. Show Answer Correct Answer: B) Tree diagram. 4. From the following set of numbers, which number occurs most? (3, 4, 2, 4, 4, 2, 5, 9, 0, 2, 2, 5, 4, 9, 3, 2, 4, 4, 7, 9, 0, 4, 9) A) 3. B) 2. C) 9. D) 4. Show Answer Correct Answer: D) 4. 5. What is the formula for calculating the permutation of a set of objects? A) NPr = n! / (n-r)!. B) NPr = n! / (n-r). C) NPr = n! / (n+r)!. D) NPr = n! / r!. Show Answer Correct Answer: A) NPr = n! / (n-r)!. 6. A poll was conducted in which 1000 adults were asked if they prefer bottled water or tap water, and 57% of them said they prefer bottled water. In this scenario, the 57% is a ..... A) Population. B) Sample. C) Parameter. D) Statistic. Show Answer Correct Answer: D) Statistic. 7. What does a box plot display? A) The frequency of each value. B) The distribution of data including quartiles and outliers. C) The correlation between two variables. D) The probability of events. Show Answer Correct Answer: B) The distribution of data including quartiles and outliers. 8. What is the range of the following data set?\{2, 9, 5, 4, 7, 8\} A) 6. B) 7. C) 5. D) 8. Show Answer Correct Answer: B) 7. 9. What is one of the core competencies emphasized in the lesson? A) Physical education. B) Artistic expression. C) Language skills. D) Critical thinking. Show Answer Correct Answer: D) Critical thinking. 10. What is the median of the numbers a + 1, a + 3, a-2, a + 5, and a-4? A) A-4. B) A + 1. C) A-2. D) A + 3. Show Answer Correct Answer: B) A + 1. 11. Find the mode of this set of numbers; 2, 2, 8, 5, 9, 2, 12, 5, 11, 10 A) 2. B) 12. C) 6. D) 6.6. Show Answer Correct Answer: A) 2. 12. Given the monthly electricity bill data for a family, which chart should be used to represent the data? A) Line chart. B) Pie chart. C) Bar chart. D) Scatter plot. Show Answer Correct Answer: A) Line chart. 13. Definition:The study of data:how to collect, summarize and present it. A) Variable. B) Statistics. C) Outliers. D) Data. Show Answer Correct Answer: B) Statistics. 14. The average annual salary for 35 of a company's 1200 accountants is $ 68, 000. A) Parameter. B) Statistic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Statistic. 15. An experiment is ..... A) A planned activity whose results yield a set of data. B) A numerical value that summarizes all of the data of an entire population. C) The set of values collected from the variable from each of the elements that belong to the sample. D) A numerical value summarizing the sample data. Show Answer Correct Answer: A) A planned activity whose results yield a set of data. 16. A quantity that is calculated from sample data, such as the mean, median, or MAD (mean absolute deviation). A) Statistic. B) Measure of variation. C) Standard deviation. D) Hand sanitizer. Show Answer Correct Answer: A) Statistic. 17. The median is the most frequent number A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 18. The levels of nicotine in six cigarettes were 13.0, 11.8, 15.4, 17.4, 31.2, 24.3 mg. The mean of these values is A) 14.9. B) 15.9. C) 18.8. D) 8.4. Show Answer Correct Answer: C) 18.8. 19. A way of gathering data by watching members of the sample as they move in their natural setting. A) Actual Measurement. B) Observation. C) Survey/Questionnaire. D) Interview. Show Answer Correct Answer: B) Observation. 20. A coin is tossed twice. The probability of getting both heads is A) $\frac{1}{2}$. B) $\frac{1}{3}$. C) $\frac{1}{4}$. D) 1. Show Answer Correct Answer: C) $\frac{1}{4}$. 21. Effects of New Normal to school institutions. A) No. B) Yes. C) All the above. D) None of the above. Show Answer Correct Answer: B) Yes. 22. Data were collected on the number of minutes spent cooking a meal. The data are as follows:8, 10, 15, 25, 30, 40, 12, 20, and 19What is the range of this data? A) 22. B) 24. C) 32. D) 48. Show Answer Correct Answer: C) 32. 23. Who is the first man to use the word Statistics? A) Albert Einstein. B) Carl Gauss. C) Isaac Newton. D) Gottfried Achenwall. Show Answer Correct Answer: D) Gottfried Achenwall. 24. Blank-consists of numerical measurements or counts. A) Qualitative. B) Quantitative. C) Ordinal. D) Norminal. Show Answer Correct Answer: B) Quantitative. 25. Tell if the statement is Descriptive or Inferential:The average test score of students in the class is 75%. A) A) Inferential. B) B) Descriptive. C) All the above. D) None of the above. Show Answer Correct Answer: B) B) Descriptive. ← 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 8Class 11 Mathematics Chapter 15 Statistics Quiz 10Class 11 Mathematics Chapter 15 Statistics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books