This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Mathematics > Class 11 Mathematics Chapter 15 Statistics – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Identify the kind of variable in this situation:price of gasoline per gallon throughout American history A) Nominal. B) Discrete. C) Ordinal. D) Continuous. Show Answer Correct Answer: D) Continuous. 2. Which of the following is an example of a parameter? A) The proportion of 200 randomly sampled students who prefer modular class. B) The mean grade in mathematics of all the students in a school. C) The average daily income of selected households in barangay. D) The standard deviation of the speed of sampled cars in a race. Show Answer Correct Answer: B) The mean grade in mathematics of all the students in a school. 3. Also known as numerical data. A) Qualitative. B) Quantitative. C) All the above. D) None of the above. Show Answer Correct Answer: B) Quantitative. 4. Students in Ms. Multifry's class were surveyed about the number of pets they have. Their responses were recorded below:0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 8. What is the median, maximum, minimum?Is there an outlier? If so, what is the outlier? A) Median:3maximum:8minimum:0outlier:No. B) Median:2maximum:8minimum:0outlier:No. C) Median:1maximum:8minimum:0outlier:Yes, 8. D) Median:2maximum:3minimum:0outlier:Yes, 8. Show Answer Correct Answer: C) Median:1maximum:8minimum:0outlier:Yes, 8. 5. If median = (mode + 2 mean) K, then K is equal to A) None of these. B) 3. C) 1/3. D) 2. Show Answer Correct Answer: C) 1/3. 6. Is the following a parameter or a statistic?In a survey of a sample of high school students, 43% said that their mother has taught them the most about managing money. A) Parameter. B) Statistic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Statistic. 7. Determine whether the numerical value is a parameter or statistic:Sixty-two of the 97 passengers aboard the Hindenburg airship survived its explosion. A) Parameter. B) Statistic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Statistic. 8. Which tool is commonly used by data scientists for machine learning and AI applications? A) Python. B) MATLAB. C) Tableau. D) SPSS. Show Answer Correct Answer: A) Python. 9. It is a plane curve consisting of all points that have the same distance from a fixed point called center. Which word is being described in the statement? A) Ray. B) Polygon. C) Angle. D) Circle. Show Answer Correct Answer: D) Circle. 10. Test the difference between group means after any other variance in the outcome variable is accounted for A) Independent t test. B) Pearson correlation. C) Chi square. D) ANOVA. Show Answer Correct Answer: D) ANOVA. 11. Determine whether the data set is a population of a sample:The amount of energy collected from every wind turbine on a wind farm. A) Population. B) Sample. C) All the above. D) None of the above. Show Answer Correct Answer: A) Population. 12. Any characteristic of an individual that can take different values for different individuals. A) Constant. B) Variable. C) Sample. D) Population. Show Answer Correct Answer: B) Variable. 13. If you want to test whether the average height of two groups is the same, which statistical test should you use? A) F-test. B) ANOVA. C) Chi-square test. D) T-test. Show Answer Correct Answer: D) T-test. 14. Find the mode of 34, 48, 87, 56, 87, 51, 29 A) 86. B) 88. C) 90. D) 87. Show Answer Correct Answer: D) 87. 15. Classify which of the following is a Qualitative data. A) The length (in minutes) of a mobile legend game. B) Phone number. C) Number of hospitals that have a nuclear center. D) Opinion on a political issue. Show Answer Correct Answer: D) Opinion on a political issue. 16. "I trust him more than 100 percent" is an example of used statistics. A) True. B) False. C) Maybe. D) None of the above. Show Answer Correct Answer: B) False. 17. Identify whether the experiment involves a discrete or a continuous random variable.Collecting data about the mileage per liter of a certain brand and model of a car 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. 18. An extreme value in a data set that is either much larger or much smaller than all the other values. A) Interquartile range. B) Outlier. C) Range. D) Skew. Show Answer Correct Answer: B) Outlier. 19. In observation method, the person/object to be observed is called: A) Investigator. B) Subject. C) All the above. D) None of the above. Show Answer Correct Answer: B) Subject. 20. Given the set 2, 4, 1, 3, 5, 1, 6. What is the median? A) 3. B) 2. C) 4. D) 6. Show Answer Correct Answer: A) 3. 21. What is the main goal of the lesson regarding data? A) To calculate the mean. B) To determine the mode. C) To find the median. D) To analyze the range. Show Answer Correct Answer: A) To calculate the mean. 22. What does UKD mean? A) Understand, Know, Develop. B) Universal Knowledge Data. C) Understand, Know, Decide. D) Understand, Know, Do. Show Answer Correct Answer: D) Understand, Know, Do. 23. A question that can be answered by collecting data that vary. A) Quartiles. B) Statistical Questions. C) Box Plot. D) None of the above. Show Answer Correct Answer: B) Statistical Questions. 24. Data observation are different each time they are collected is called A) Difference. B) Variability. C) Inequality. D) Quantities. Show Answer Correct Answer: B) Variability. 25. Find the mean.(1, 2, 3, 4, 5, 6) A) 3.2. B) 3.4. C) 3.7. D) 3.5. Show Answer Correct Answer: D) 3.5. 26. What do you need to solve for the mode of grouped data? A) $\sigma$fXn. B) N/2LCBfmd C) D1d2LCBi. D) None of the above. Show Answer Correct Answer: C) D1d2LCBi. 27. How data is spread out A) Outlier. B) Non-Symmetrical. C) Distribution. D) Variability. Show Answer Correct Answer: C) Distribution. 28. A sample in which every member of the population has an equal chance of being selected. A) Random sample. B) Biased sample. C) Sample. D) Population. Show Answer Correct Answer: A) Random sample. 29. This statistical instrument is also called face-to-face survey. A) Questionnaire. B) Thesis. C) Observation. D) Interview. Show Answer Correct Answer: D) Interview. 30. What are characteristics that cannot be defined by a number, such as shape or color? A) Numerical variables. B) Inferential statistics. C) Descriptive statistics. D) Categorical variables. Show Answer Correct Answer: D) Categorical variables. 31. The number of times the observation has occurred/recorded in an experiment or study. A) Mode. B) Frequency. C) Minimum. D) Range. Show Answer Correct Answer: B) Frequency. 32. Given the table of students, describe a procedure to filter out only those students who belong to the OBC category. A) Select rows where the Category column contains "OBC". B) Select rows where the University column contains "SUK". C) Select rows where the B.Sc. percentage is above 70. D) Select rows where the Entrance marks are below 35. Show Answer Correct Answer: A) Select rows where the Category column contains "OBC". 33. It is a collection of data from every element in a population A) Population. B) Census. C) Sample. D) All of the above. Show Answer Correct Answer: B) Census. 34. How would you describe something that has "grown exponentially" ? A) It's estimated. B) It has increased at a rapidly increasing rate. C) It's stable. D) It has decreased. Show Answer Correct Answer: B) It has increased at a rapidly increasing rate. 35. Who is regarded as the father of biostatistics A) Francis Galton. B) Fischer. C) Karl Pearson. D) Francis Bacon. Show Answer Correct Answer: A) Francis Galton. 36. The POPULATION in statistics is best described by ..... A) The total number of people that live in a particular city. B) A collection, or set, of individuals, objects, or events whose properties are to be analyzed. C) A collection of people that are being analyzed for membership on a list of particular elements to be studied. D) The incomplete collection of individuals or objects that are of interest to the sample collector. Show Answer Correct Answer: B) A collection, or set, of individuals, objects, or events whose properties are to be analyzed. 37. One of the given is not the Task of Statistics A) Analyzing. B) Preparing. C) Summarizing. D) Presenting. Show Answer Correct Answer: B) Preparing. 38. What is the role of a sample size in statistics data collection? A) A larger sample size increases the accuracy and reliability of the data collected. B) A larger sample size makes the data collection process faster. C) A larger sample size makes the data look more diverse. D) A larger sample size reduces the amount of data collected. Show Answer Correct Answer: A) A larger sample size increases the accuracy and reliability of the data collected. 39. You cannot use Statistics in Education. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 40. Describes a situation in which every possible outcome has an equal chance A) Equally likely. B) Random. C) Certain. D) Possible. Show Answer Correct Answer: B) Random. 41. The middle value when a data set is ordered from least to greatest. A) Range. B) Mean. C) Mode. D) Median. Show Answer Correct Answer: D) Median. 42. If you want to examine the linear relationship between Petal.width and Sepal.length, which matrix would you compute? A) Correlation matrix. B) Distance matrix. C) Frequency matrix. D) Identity matrix. Show Answer Correct Answer: A) Correlation matrix. 43. Ogive is the graph of: A) Lower/upper limits and cumulative frequency. B) Upper limits and frequency. C) Lower limits and frequency. D) None of these. Show Answer Correct Answer: A) Lower/upper limits and cumulative frequency. 44. What is sample space? A) A process with an uncertain result. B) A possible result of an action. C) A list of all possible outcomes of an event. D) A single outcome or group of outcomes. Show Answer Correct Answer: C) A list of all possible outcomes of an event. 45. What is the process of analyzing data to uncover patterns and trends in data sets? A) Data cleaning. B) Statistics. C) Data science. D) Data visualization. Show Answer Correct Answer: C) Data science. 46. Ms. Perez, a statistics teacher, wants to analyze the heights of students in her school. She randomly selects a sample of 50 students and measures their heights. She plans to use the Central Limit Theorem (CLT) to draw conclusions for her study. Which test-statistic would be appropriate to use? A) Chi-squared test. B) T-test. C) Pearson's Correlation Coefficient. D) Z-test. Show Answer Correct Answer: A) Chi-squared test. 47. Population or Sample?A factory overseer selects 40 threaded rods at random from those produced that week at the factory, then she tests their tensile strength. A) Population. B) Sample. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sample. 48. The square root of the average squared deviations from the mean of scores in a distribution; measure of variability. A) Inferential statistic. B) Statistics. C) Standard deviation. D) Validity. Show Answer Correct Answer: C) Standard deviation. 49. What is a quantitative variable that could have an infinite number of values? A) Qualitative variable. B) Categorical variable. C) Discrete variable. D) Continuous variable. Show Answer Correct Answer: D) Continuous variable. 50. What is an example of a nominal data? A) Temperature. B) Grades. C) Color. D) IQ. Show Answer Correct Answer: C) Color. 51. Suppose a researcher is concerned with a nominal scale that identifies users versus nonusers of bank credit cards. The measure of central tendency appropriate to this scale is the A) Median. B) Mean. C) Average. D) Mode. Show Answer Correct Answer: D) Mode. 52. Ken wants to compare how many hours a week that sixth graders spend doing mathematics homework to how many hours a week that eleventh graders spend doing mathematics homework. He randomly selects ten sixth graders and ten eleventh graders and records how many hours each student spent on mathematics homework in a certain week.What study is described? A) Survey. B) Experimental Study. C) Observational Study. D) None of the above. Show Answer Correct Answer: C) Observational Study. 53. The covariance between two variables x and y is 8.4 and their variances are 25 and 36 respectively. Calculate Karl Pearson's correlation coefficient between them. A) 0.01. B) 0.09. C) 0.82. D) 0.28. Show Answer Correct Answer: D) 0.28. 54. The mean of a set of 3 numbers is 100. If 85 is removed from the set, what is the new mean? A) 105.5. B) 106.5. C) 107.5. D) 104.5. Show Answer Correct Answer: C) 107.5. 55. What is the nature of data that can be distinguished by some nonnumeric characteristics? A) Continuous. B) Quantitative. C) Discrete. D) Qualitative. Show Answer Correct Answer: D) Qualitative. 56. Solution space of the inequalities 2x + y < 10 and x-y < 5:(i) includes the origin (ii) includes the point (4, 3) Which one is correct? A) Only (i). B) Only (ii). C) Both (i) and (ii). D) None of the above. Show Answer Correct Answer: C) Both (i) and (ii). 57. It is a numerical description of a sample characteristic A) Data. B) Parameter. C) Statistic. D) Statistics. Show Answer Correct Answer: C) Statistic. 58. Find the class mark of class 135-155. A) 145. B) 105. C) 155. D) 135. Show Answer Correct Answer: A) 145. 59. If log$_{2}$(x) = 4, what is the value of x? A) X = 16. B) X = 8. C) X = 32. D) X = 2. Show Answer Correct Answer: A) X = 16. 60. "There are three degreesof lies lies, damned lies and statistics" . This is said by A) Francis Adam. B) Francis Anderson. C) Francis Gilbirth. D) Francis Disraeli. Show Answer Correct Answer: D) Francis Disraeli. ← 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