This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Mathematics > Statistics > Class 10 Maths Chapter 14 Statistics – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 14 Statistics Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An ..... is a freehand graph showing the curve of a cumulative frequency distribution A) Warhead. B) Bar graph. C) Histogram. D) None of the above. Show Answer Correct Answer: A) Warhead. 2. The mode score on the 6th grade math test was 94! Which of these interpretations must be correct? A) No student scored below a 94. B) More students received a 94 than any other score. C) 94 was the highest score on the test. D) A score of 91 was slightly below average. Show Answer Correct Answer: B) More students received a 94 than any other score. 3. Mean of 100 items is 49. It was discovered that three items which should have been 60, 70, 80 were wrongly read as 40, 20, 50 respectively. The correct mean is ..... A) 48. B) 60. C) 49. D) 50. Show Answer Correct Answer: D) 50. 4. The median of frequency distribution is found graphically with the help of A) A histogram. B) A frequency curve. C) A frequency polygon. D) Ogives. Show Answer Correct Answer: D) Ogives. 5. When the distribution is symmetrical, mean, median and mode A) Coincide. B) Do not coincide. C) Both. D) None of the these. Show Answer Correct Answer: A) Coincide. 6. There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained is found to be-3.5. Find the mean of the given numbers. A) 56.5. B) 55. C) 55.5. D) 55.9. Show Answer Correct Answer: A) 56.5. 7. Two ogives less than and more than type for the same data intersect at the point P. The y-coordinate of P represents A) Range. B) Median. C) Modal. D) Cumulative frequency of the median class. Show Answer Correct Answer: D) Cumulative frequency of the median class. 8. The formula to calculate mode for grouped data is A) $z=l\+\frac{f_1-f_0}{2f_1-f_0-f_2}\times h$. B) $z=l\+\frac{f_1-f_0}{f_1-f_0-f_2}\times h$. C) $z=l\+\frac{f_1-f_0}{f_1-f_2}\times h$. D) None. Show Answer Correct Answer: A) $z=l\+\frac{f_1-f_0}{2f_1-f_0-f_2}\times h$. 9. What is the term used for representing numerical data using diagrams? A) Diagrammatic representation. B) Graphical representation. C) Data visualization. D) Statistical analysis. Show Answer Correct Answer: A) Diagrammatic representation. 10. Mode is the value of the variable which has ..... A) Minimum frequency. B) Mean frequency. C) Middle most frequency. D) Maximum frequency. Show Answer Correct Answer: D) Maximum frequency. 11. What is the mean of first 10 natural numbers? A) 55. B) 5.5. C) 6.5. D) 6. Show Answer Correct Answer: B) 5.5. 12. Find the median from the given set of data.1, 2, 3, 4, 2, 3, 2, 3 A) 2.5. B) 1. C) 5. D) 4. Show Answer Correct Answer: A) 2.5. 13. Calculate the MEDIAN for the data set:6, 7, 12, 8, 7, 4, 8, 8, 7 A) 7. B) 7.44. C) 8. D) 7 and 8. Show Answer Correct Answer: A) 7. 14. What is the purpose of an organization chart? A) To display financial data and performance. B) To illustrate the organizational structure of a company. C) To show the processes and workflows in a business. D) To analyze market trends and competition. Show Answer Correct Answer: B) To illustrate the organizational structure of a company. 15. The average weight of a group of 25 men was calculated to be 78.4 kg. It was discovered later that one weight was wrongly entered as 69 kg instead of 96 kg. The correct average is ..... A) 79.48. B) 75.76. C) 80.30. D) 77.56. Show Answer Correct Answer: A) 79.48. 16. How many percent corresponds to Q$_{3}$ if you will interpret it? $^{ }$ A) B.$^{ }$50%$^{ }$. B) A. 25%. C) $^{ }$C. 75%. D) D. 90%. Show Answer Correct Answer: C) $^{ }$C. 75%. 17. What do bar graphs typically display? A) Categorical and numeric variables arranged in class intervals. B) Temporal data over time. C) Relationships between two variables. D) Continuous data in a single dimension. Show Answer Correct Answer: A) Categorical and numeric variables arranged in class intervals. 18. Why are diagrams particularly effective in presenting statistical data? A) They provide detailed explanations. B) They attract attention and offer a quick way to grasp results. C) They include extensive textual descriptions. D) They represent data in complex formats. Show Answer Correct Answer: B) They attract attention and offer a quick way to grasp results. 19. What is another name for pie charts? A) Angular Circle Diagrams. B) Radial Diagrams. C) Sector Diagrams. D) Circular Graphs. Show Answer Correct Answer: A) Angular Circle Diagrams. 20. . Mean of 20 observations is 17. If in the observations, observation 40 is replaced by 12, find the new mean A) 15.6. B) 15.5. C) 18. D) 17. Show Answer Correct Answer: A) 15.6. 21. The mean of 10 numbers is 27 if 2 is added to each number find the new mean A) 29. B) 25. C) 35. D) 47. Show Answer Correct Answer: A) 29. 22. The graphical representation of a cumulative frequency distribution is called A) Warhead. B) Bar graph. C) Histogram. D) Frequency polygon. Show Answer Correct Answer: A) Warhead. 23. In an 80-item test, the passing mark is the 3$^{rd}$ quartile. What does it imply? A) The students should answer at most 40 items correctly. B) The students should answer at least 40 items correctly. C) The students should answer at least 60 items correctly. D) The students should answer at most 60 items correctly. Show Answer Correct Answer: C) The students should answer at least 60 items correctly. 24. In a 70 item test, Melody got a score of 50 which is the third quartile. This means that A) She got a highest score. B) Seventy-five percent of the class did not pass the test. C) Twenty-five percent of the students are 16 years old. D) Her score is higher than 25% of her classmates. Show Answer Correct Answer: D) Her score is higher than 25% of her classmates. 25. What do data flowcharts primarily illustrate? A) The organizational structure of a company. B) The channels through which data is transmitted within a system. C) Financial performance and budget allocation. D) Project timelines and task dependencies. Show Answer Correct Answer: B) The channels through which data is transmitted within a system. 26. Which of the following is another name for the mean of a data set? A) The median. B) The middle. C) The average. D) The sum. Show Answer Correct Answer: C) The average. 27. The median of set of 9 distinct observations is 20.5. If each of the largest 4 observations of the set is increased by 2, then the median of the new set is ..... A) Is two times of the original number. B) Remains the same as that of the original set. C) Is increased by 2. D) Is decreased by 2. Show Answer Correct Answer: B) Remains the same as that of the original set. 28. A table that lists items and shows the frequency or number of times they occur is called ..... A) Bar graph. B) Frequency table. C) Pictograph. D) Tally chart. Show Answer Correct Answer: B) Frequency table. 29. What does a functional, top-down organizational chart typically display? A) The company's market share and financial data. B) The organizational hierarchy with the C-Suite at the top, followed by senior management, middle managers, etc. C) The workflow and process steps in a project. D) The relationships between different departments in a company. Show Answer Correct Answer: B) The organizational hierarchy with the C-Suite at the top, followed by senior management, middle managers, etc. 30. Determine the mean of first 10 natural numbers. A) 5.5. B) 5.6. C) 10.5. D) 11.5. Show Answer Correct Answer: A) 5.5. 31. If the mean of 2, 4, 6, 8, x, y is 5 then the value of x+y is A) 20. B) 10. C) 30. D) 15. Show Answer Correct Answer: B) 10. 32. What is the most commonly used two-dimensional diagram? A) Pie diagram. B) Bar diagram. C) Scatter plot. D) Line graph. Show Answer Correct Answer: A) Pie diagram. 33. What is the simplest type of bar diagram? A) Simple bar diagram. B) Grouped bar diagram. C) Clustered bar diagram. D) Stacked bar diagram. Show Answer Correct Answer: A) Simple bar diagram. 34. According to Veronis in his 1978 book "Microprocessors:Design and Applications, " which of the following is the basis for outlining flowchart types? A) Flow controls. B) Data input and output. C) Scope and level of detail. D) Organizational structure. Show Answer Correct Answer: C) Scope and level of detail. 35. What is mode of the data 5, 6, 5, 9, 5, 6, 10, 11, 5, 6, 7, 6, 9, 5 A) 5. B) 5, 6. C) 6. D) 5.5. Show Answer Correct Answer: A) 5. 36. What are the potential benefits and drawbacks of a matrix organizational structure? A) It enhances financial reporting but may lead to budgetary conflicts. B) It facilitates better communication and flexibility but can cause confusion with priorities and supervisors. C) It improves hierarchical clarity but may reduce cross-functional collaboration. D) It streamlines decision-making but can limit employee autonomy. Show Answer Correct Answer: B) It facilitates better communication and flexibility but can cause confusion with priorities and supervisors. 37. What is mode of the data 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5 A) 1, 2, 3, 4, 5. B) No mode. C) 1. D) 2. Show Answer Correct Answer: B) No mode. 38. What is Mode of the data 10, 15, 12, 15, 10, 11, 15, 10, 18, 10, 17, 15 A) 10, 15. B) 10. C) 12.5. D) 15. Show Answer Correct Answer: A) 10, 15. 39. What is the mode? A) # happening the most. B) The average. C) Biggest-smallest. D) The middle #. Show Answer Correct Answer: A) # happening the most. 40. What is the mean of a-2, a, a+2 A) A. B) A-1. C) A+1. D) None. Show Answer Correct Answer: A) A. 41. For a certain distribution, mode and median were found to be 100 and 1250 respectively. Find mean for this distribution using an empirical relation A) 1145. B) 1550. C) 1375. D) 1265. Show Answer Correct Answer: C) 1375. 42. Sum of the deviations of given values from their mean is A) 0. B) Infinity. C) 1. D) 2. Show Answer Correct Answer: A) 0. 43. Geometric Mean is less than Harmonic Mean A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 44. What is another term for a diagram where multiple bars are stacked on top of each other to show the total magnitude? A) Simple Bar Diagram. B) Grouped Bar Diagram. C) Compound Bar Diagram. D) Horizontal Bar Diagram. Show Answer Correct Answer: C) Compound Bar Diagram. 45. When a distribution is divided into hundred equal parts, each score point describes the distribution as A) Decile. B) Percentile. C) Median. D) Quartile. Show Answer Correct Answer: B) Percentile. 46. What is the range in a set of data? A) Average. B) Biggest minus smallest. C) The middle number. D) The number happening the most. Show Answer Correct Answer: B) Biggest minus smallest. 47. Find the median of these numbers:2, 3, 4, 5, 5, 7 A) 4. B) 5. C) 6. D) 4.5. Show Answer Correct Answer: D) 4.5. 48. The algebraic sum of the deviations of a frequency distribution from its mean is always, A) Greater than zero. B) Less than zero. C) A non-zero number. D) Zero. Show Answer Correct Answer: D) Zero. 49. In a pie chart, what is the total surface area of the circle typically represented as? A) 100. B) 180. C) 3600. D) 360. Show Answer Correct Answer: D) 360. 50. According to Herbert and Raymond, what is a pie diagram? A) A rectangular diagram divided into bars. B) A circular diagram divided into smaller sections. C) A linear diagram showing trends over time. D) A hierarchical diagram showing relationships. Show Answer Correct Answer: B) A circular diagram divided into smaller sections. 51. In a simple bar diagram, where does the height of a bar start? A) From the midpoint of the baseline. B) From the top of the previous bar. C) From the zero unit of the baseline. D) From the maximum value of the y-axis. Show Answer Correct Answer: C) From the zero unit of the baseline. 52. The method used to find the mean of a given data is (are) A) Direct method. B) Assumed mean method. C) Step deviation method. D) All the above. Show Answer Correct Answer: D) All the above. 53. What is the lower limit of the 2nd class interval 400-450450-500500-550 A) 50. B) 450. C) 550. D) 100. Show Answer Correct Answer: B) 450. 54. Find the median from the following data ..... 5, 3, 6, 5, 3, 9, 4 A) 6. B) 5. C) 8. D) 7. Show Answer Correct Answer: B) 5. 55. The relationship between mean, median and mode is ..... median = 2 ..... + ..... A) 3, mean, mode. B) 2, median, mode. C) 2, mean, mode. D) 3, median, mode. Show Answer Correct Answer: A) 3, mean, mode. 56. Mode is the ..... A) Middle most frequent value. B) Least frequent value. C) Maximum frequent value. D) None of these. Show Answer Correct Answer: C) Maximum frequent value. 57. Find the range.5, 15, 10, 20, 15, 10, 15 A) 5. B) 10. C) 15. D) 13. Show Answer Correct Answer: C) 15. 58. Construction of a cumulative frequency table is useful in determining the A) Mean. B) Median. C) Mode. D) All of the three measures. Show Answer Correct Answer: B) Median. 59. Which flowchart shape is used to indicate a regular process flow step? A) Oval. B) Diamond. C) Rectangle. D) Parallelogram. Show Answer Correct Answer: C) Rectangle. 60. Find the median of the following values37, 31, 42, 43, 46, 25, 39, 45 and 32 A) 46. B) 25. C) 39. D) 43. Show Answer Correct Answer: C) 39. ← PreviousNext →Related QuizzesMathematics QuizzesClass 10 QuizzesClass 10 Maths Chapter 14 Statistics Quiz 1Class 10 Maths Chapter 14 Statistics Quiz 3Class 10 Maths Chapter 14 Statistics Quiz 4 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books