This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Mathematics > Class 11 Mathematics Chapter 15 Statistics – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Identify the type of random variable:The time it takes for a light bulb to burn out. A) Discrete random variable. B) Continuous random variable. C) All the above. D) None of the above. Show Answer Correct Answer: B) Continuous random variable. 2. 10% of college students are predicted to travel out the country during spring break. A) Inferential. B) Descriptive. C) All the above. D) None of the above. Show Answer Correct Answer: A) Inferential. 3. Which of the following is the number that occurs most often in a data set? A) Mode. B) Median. C) Range. D) Mean. Show Answer Correct Answer: A) Mode. 4. If the range of a set of scores is 14 and the lowest score is 7, what is the highest score? A) 7. B) 24. C) 14. D) 21. Show Answer Correct Answer: D) 21. 5. What is the name given to a rectangular array of numbers arranged in rows and columns? A) Matrix. B) Equation. C) Vector. D) Scalar. Show Answer Correct Answer: A) Matrix. 6. Ana had test scores of:72, 94, 108, 60. What is the range of her test scores? A) 12. B) 48. C) 72. D) 98. Show Answer Correct Answer: B) 48. 7. Which of the following referred to as indirect method of gathering data where the respondents used to answer written questions? A) Questionnaire. B) Observation. C) Interview. D) Experimentation. Show Answer Correct Answer: A) Questionnaire. 8. A data point that is significantly different from the other values in a data set. A) Distribution. B) Symmetrical. C) Variability. D) Outlier. Show Answer Correct Answer: D) Outlier. 9. This occurs when a sample is collected in such a way that some members of the intended population are less likely to be included than others. A) Sampling error. B) Sampling bias. C) Random sampling. D) Clustered sampling. Show Answer Correct Answer: B) Sampling bias. 10. What term refers to the body of knowledge that deals with the collection, organization, presentation and analysis of data? A) Probability. B) Algebra. C) Trigonometry. D) Statistics. Show Answer Correct Answer: D) Statistics. 11. The marks obtained by 10 students at the entrance examination were as follows 24, 36, 34, 35, 33, 42, 23, 20, 36, 28. Calculate the Mode A) 36. B) 42. C) 24. D) 33. Show Answer Correct Answer: A) 36. 12. Find the Mode in the Data Set:7, 8, 3, 4, 8 A) $8$. B) 8 Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $8$. 13. Which of the following is not a statistical question? A) What is your favorite color?. B) How much time do Grade 7 Students spent on studying?. C) How far do Grade 7 Students live from the school?. D) None of the above. Show Answer Correct Answer: A) What is your favorite color?. 14. BLANK is the science of collecting, organizing analyzing, and interpreting data in order to make decisions. A) Population. B) Statistics. C) Sample. D) Data. Show Answer Correct Answer: B) Statistics. 15. Which of the data below is continuous data? A) The number of siblings in the class. B) The height of students. C) The number of capacitors. D) The shoe size. Show Answer Correct Answer: B) The height of students. 16. Indicate which level of measurement is being used in the given scenario. A meteorologist compiles a list of temperatures in degrees Celsius for the month of May. A) Ratio. B) Ordinal. C) Interval. D) Nominal. Show Answer Correct Answer: C) Interval. 17. Is the value of the central point of the distribution A) Mean. B) Median. C) Mode. D) Range. Show Answer Correct Answer: B) Median. 18. Tell if the statement if Descriptive or InferentialThe Senior Citizens that live in Pekanbaru have better memories than the ones that live in Padang. A) Inferential. B) Descriptive. C) All the above. D) None of the above. Show Answer Correct Answer: A) Inferential. 19. Determine $\nabla\cdot\left(\nabla\times F\right)$ $F\left(x, y, z\right)=\sin xi+\cos\left(x-y\right)j+zk$ A) $\sin y$. B) $\cos x$. C) $\cos x+\sin\left(x-y\right)$. D) $0$. E) $z$. Show Answer Correct Answer: D) $0$. 20. Which of the following best describes an ordinal data? A) Measurement with no true 0. B) Categories with no direction. C) Categories with order. D) Measurement with true 0. Show Answer Correct Answer: C) Categories with order. 21. The ..... table is a table that shows at a glance the total of each set of items. A) Frequent. B) Statistics. C) Frequency. D) Free. Show Answer Correct Answer: C) Frequency. 22. When do we use box plots? A) When we want to show two sets of data. B) When the data are random. C) When we want to show the spread and median. D) When the data is linear. Show Answer Correct Answer: C) When we want to show the spread and median. 23. What do you need to solve for the median of grouped data? A) $\sigma$fXn. B) N/2LCBfmd C) D1d2LCBi. D) None of the above. Show Answer Correct Answer: B) N/2LCBfmd 24. There are two types of variables A) Large and small. B) Quantity and excellence. C) Quantitative and qualitative. D) Superiority and brilliance. Show Answer Correct Answer: C) Quantitative and qualitative. 25. Which of the following relations is a function? A) C = {(0, 2), (5, 3), (0, 4)}. B) A = {(1, 2), (2, 3), (3, 5), (4, 7)}. C) B = {(1, 3), (1, 4), (2, 5), (2, 6)}. D) D = {(7, 2), (2, 7), (7, 11)}. Show Answer Correct Answer: B) A = {(1, 2), (2, 3), (3, 5), (4, 7)}. 26. Statistics that describe the group characteristics. A) Descriptive Statistics. B) Inferential Statistics. C) All the above. D) None of the above. Show Answer Correct Answer: A) Descriptive Statistics. 27. Population or Sample? A quality control engineer is curious about the thickness of paint on a car at her factory. She randomly selects 30 points on the car and measures the paint thickness at each of those points. A) Population. B) Sample. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sample. 28. How many samples must be obtained from 7, 000 employees if 5 % margin of error is used? Use the formula below. $n=\frac{N}{1+Ne^2}$ A) 378. B) 370. C) 377. D) 380. Show Answer Correct Answer: A) 378. 29. Determine $\nabla\cdot\left(F\times G\right)$ $F\left(x, y, z\right)=\left(yz\right)i+\left(xz\right)j+\left(xy\right)k$ $G\left(x, y, z\right)=\left(xy\right)j+\left(xyz\right)k$ A) $0$. B) $xy^2z^2$. C) $xy^2z$. D) $-xy^2$. Show Answer Correct Answer: D) $-xy^2$. 30. What measure of central tendency that divides a set of scores in two equal number of scores? A) Median. B) Range. C) Mode. D) Mean. Show Answer Correct Answer: A) Median. 31. A mayor wanted to see if the people in his town thought he was doing a good job. Which choice best represents a population? A) The mayor's family. B) The people who voted for the mayor. C) 300 random voters. D) The residents of the town. Show Answer Correct Answer: D) The residents of the town. 32. How would you collect the data that is needed for choosing and voting a running senator? A) Observation. B) Experiment. C) Survey. D) Bar graph. Show Answer Correct Answer: C) Survey. 33. IDENTIFY IF THE QUESTION IS AN OPEN-FORMAT QUESTION OR CLOSED FORMAT QUESTION.Is a calamansi a vegetable? A) Both. B) Open Format Question. C) Closed Format Question. D) None of the above. Show Answer Correct Answer: C) Closed Format Question. 34. Sure to happen; the opposite of impossible A) Equally likely. B) Random. C) Certain. D) Possible. Show Answer Correct Answer: C) Certain. 35. What tool can be used to visualize data in mathematics? A) Calculator. B) Notebook. C) Graph. D) Textbook. Show Answer Correct Answer: C) Graph. 36. If we select 100 persons from 25, 000 registered voters and question them about candidates and issues, the 100 persons are referred to as the population. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 37. The most frequent score in a distribution of scores. A) Range. B) Mode. C) Median. D) Mean. Show Answer Correct Answer: B) Mode. 38. What is a smaller, representative group drawn from a population? A) Sample. B) Parameter. C) Unit. D) Statistic. Show Answer Correct Answer: A) Sample. 39. To inscribed a hexagon inside a circle, which length should you set your compass to? A) Diameter. B) Half of the radius. C) Radius. D) Depends on the size of the circle. Show Answer Correct Answer: C) Radius. 40. What is the purpose of sampling methods in statistics data collection? A) To increase the accuracy of the data. B) To reduce the amount of data collected. C) To select a subset of individuals or items from a larger population in order to make inferences about the whole population. D) To make the data look more diverse. Show Answer Correct Answer: C) To select a subset of individuals or items from a larger population in order to make inferences about the whole population. 41. Can ALL the chords of a circle be a diameter of a circle? A) No, because not all chords lie in the center of the circle. B) No, because both endpoints are on the circle. C) Yes, because both endpoints are on a circle. D) Yes, because chord lies in the center of the circle. Show Answer Correct Answer: A) No, because not all chords lie in the center of the circle. 42. Branch of stats that draws conclusions A) Descriptive. B) Inferential. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inferential. 43. What percent of data lies within 1 standard deviation from the mean? A) 100%. B) 95%. C) 99%. D) 68%. Show Answer Correct Answer: D) 68%. 44. Identify the following data set: ..... the rates at which all of the cashiers scan products for a store on a study about the cashiers for the day. A) Population. B) Sample. C) All the above. D) None of the above. Show Answer Correct Answer: A) Population. 45. What is the formula for calculating the factorial of a number? A) N! = n * (n-1) * (n-2). B) N! = n * (n-1) * (n-2) * * 2. C) N! = n * (n-1) * (n-3) * * 2 * 1. D) N! = n * (n-1) * (n-2) * * 2 * 1. Show Answer Correct Answer: D) N! = n * (n-1) * (n-2) * * 2 * 1. 46. In which field of study shows the importance of statistics matches:Assess students' performance and correlate factors affecting teaching and learning processes? A) Education. B) Medicine. C) Banking. D) Business. Show Answer Correct Answer: A) Education. 47. The middle score in an ordered distribution of scores, or the mean of the two middle numbers; the 50th percentile. A) Median. B) Mean. C) Mode. D) Range. Show Answer Correct Answer: A) Median. 48. Choose the correct synonym for 'data' in the context of statistics. A) Opinion. B) Hypothesis. C) Information. D) Theory. Show Answer Correct Answer: C) Information. 49. What type of learning activity is suggested for students who need help? A) Group projects. B) Independent research. C) Peer tutoring. D) Individual work. Show Answer Correct Answer: C) Peer tutoring. 50. Which educational tool is mentioned for use in the lesson? A) Textbook. B) Flashcards. C) Calculator. D) Smartboard. Show Answer Correct Answer: D) Smartboard. 51. Indicate which level of measurement is being used in the given scenario. The teacher of a class of third graders records the height of each student. A) Nominal. B) Interval. C) Ratio. D) Ordinal. Show Answer Correct Answer: C) Ratio. 52. Find the mode of the set of observations shown. A) 17. B) 14. C) 13. D) 15. Show Answer Correct Answer: A) 17. 53. How are you going to solve for the mean? A) Arrange the data and add all the data. B) Arrange tbe data, add all the data and divide on the total numbers of the data. C) Find the middle number. D) Find tbe most appear number. Show Answer Correct Answer: B) Arrange tbe data, add all the data and divide on the total numbers of the data. 54. These kind of observations are made using instruments such as rulers, balances and thermometers. A) Qualitative. B) Quantitative. C) All the above. D) None of the above. Show Answer Correct Answer: B) Quantitative. 55. It is a technique by which data is presented in a paragraph form. A) Tabular. B) Graphical. C) Textual. D) None of the above. Show Answer Correct Answer: C) Textual. 56. It is a set whose elements are the numbers assigned to the outcomes of an experiment. It is denoted by a capital letter, usually 'X' A) Outcome. B) Random Variable. C) Event. D) Sample Space. Show Answer Correct Answer: B) Random Variable. 57. Find the mode and median of the following numbers12, 7, 8, 14, 21, 23, 27, 7, 11 A) 11, 9. B) 7, 9. C) 7, 12. D) 12, 9. Show Answer Correct Answer: C) 7, 12. 58. Which of the following sentences uses 'statistics' correctly? A) Statistic is a branch of mathematics. B) Statistics are a branch of mathematics. C) Statistic are a branch of mathematics. D) Statistics is a branch of mathematics. Show Answer Correct Answer: D) Statistics is a branch of mathematics. 59. It can be characterized by numbers representing counts or measurements, what nature of data is it? A) Continuous. B) Discrete. C) Qualitative. D) Quantitative. Show Answer Correct Answer: D) Quantitative. 60. A branch of Mathematics that deals with the collection, organization, presentation, analysis, and interpretation of data. A) Statistics. B) Population. C) Census. D) Sample. Show Answer Correct Answer: A) Statistics. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books