This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Mathematics > Class 11 Mathematics Chapter 15 Statistics – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 14 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If you have the variance, how do you get the standard deviation? A) Square it. B) Take the square root. C) Divide it. D) Subtract the mean. Show Answer Correct Answer: B) Take the square root. 2. Calculate the sum of mean and mode of the following numbers 12, 15, 21, 12, 14 and 16 A) 21. B) 16. C) 32. D) 27. Show Answer Correct Answer: D) 27. 3. This is what type of sample? A) Systematic. B) Convenience. C) Cluster. D) Stratified. Show Answer Correct Answer: B) Convenience. 4. What does the term 'mean' refer to in statistics? A) The middle value in a data set. B) The average of a data set. C) The range of a data set. D) The most frequently occurring value. Show Answer Correct Answer: B) The average of a data set. 5. Number of students enrolled in XYZ Highschool in SY 2020-2021 A) YES. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: A) YES. 6. What is the importance of studying statistics? A) It helps in making art. B) It is not important. C) It is only useful in mathematics. D) It is used in weather prediction. Show Answer Correct Answer: D) It is used in weather prediction. 7. The field when we study the data of different combinations of fertilizers and pesticides and see the effect to specific plant. A) Agriculture. B) Education. C) Medicine. D) Business. Show Answer Correct Answer: A) Agriculture. 8. Number which occurs most frequently in a set of numbers is A) Mean. B) Mode. C) Median. D) None of these. Show Answer Correct Answer: B) Mode. 9. If 2/(-3) = p/q then the value of 2pq / pq + pq is: A) 1/7. B) 1. C) 7. D) -1/7. Show Answer Correct Answer: A) 1/7. 10. This word in math means "the middle number" in a set of data A) Average. B) Mode. C) Range. D) Median. Show Answer Correct Answer: D) Median. 11. Assume 10 students got the following test scores:58, 98, 81, 59, 67, 81, 94, 84, 46, 32. Find the mode of the scores. A) 81. B) 32. C) 94. D) 67. Show Answer Correct Answer: A) 81. 12. Which of the following is a statistical question? A) How many siblings does Maria have?. B) How old are the students in Grade 7 Yellow Bell?. C) Where does Roy live?. D) When is Jose's birthday?. Show Answer Correct Answer: B) How old are the students in Grade 7 Yellow Bell?. 13. These are data that approximates and characterizes. They can be observed and recorded. A) Qualitative. B) Quantitative. C) Primary. D) Secondary. Show Answer Correct Answer: A) Qualitative. 14. IDENTIFY IF THE QUESTION IS AN OPEN-FORMAT QUESTION OR CLOSED FORMAT QUESTION.Which part of the event did you like most? A) Both. B) Open Format Question. C) Closed Format Question. D) None of the above. Show Answer Correct Answer: B) Open Format Question. 15. Data or information can be gotten through the following ways except ..... A) Physical counting. B) Dancing. C) Interview. D) Internet. Show Answer Correct Answer: B) Dancing. 16. Statistics can involve many mathematical topics that may need to be studied prior to taking statistics such as A) Algebra. B) Decimals. C) Fractions. D) Number lines. E) Probability. Show Answer Correct Answer: E) Probability. 17. What is the scientific term for the 'building blocks of matter'? A) Molecules. B) Elements. C) Compounds. D) Atoms. Show Answer Correct Answer: D) Atoms. 18. Any numerical quantity that characterizes a given population. A) Secondary data. B) Parameter. C) Statistics. D) Primary data. Show Answer Correct Answer: B) Parameter. 19. Find the range of the data set:(13 data)9, 8, 3, 10, 6, 5, 9, 7, 11, 15, 7, 16, 3 A) 11. B) 10. C) 12. D) 13. Show Answer Correct Answer: D) 13. 20. BLANK consists of information coming from observations, counts, measurements, or responses. A) Population. B) Sample. C) Statistics. D) Data. Show Answer Correct Answer: D) Data. 21. A Marikina shoe entrepreneur wanted to know what kind and shoe sizes will make a big hit in the market. What factor/s will he/she consider in his/her survey?i. Age ii. Economic Status iii. Gender iv. Shoe Size A) Iv only. B) I and ii. C) I, ii and iv. D) All of them. Show Answer Correct Answer: D) All of them. 22. What is a characteristic of a population? A) Unit. B) Sample. C) Parameter. D) Statistic. Show Answer Correct Answer: C) Parameter. 23. Marco wants to determine his classmate's favorite brand of rubber shoes. He made a form and asks his classmate to write their favorite brand of shoes and return the form to him. Which method of data collection is used by Marco? A) Conducting Surveys. B) Registration. C) Experimentation. D) Observation. Show Answer Correct Answer: A) Conducting Surveys. 24. Which of the following is a variable affected or influenced by another variable? A) Parameter. B) Variable. C) Dependent variable. D) Independent variable. Show Answer Correct Answer: C) Dependent variable. 25. A coin is tossed. Find the probability of getting a head? A) $\frac{1}{4}$. B) 1. C) $\frac{1}{2}$. D) $\frac{3}{4}$. Show Answer Correct Answer: C) $\frac{1}{2}$. 26. Identify the correct sentence:'Statistics show that the number of students has increased.' A) Statistics shows that the number of students has increased. B) Statistics shows that the number of students have increased. C) Statistics show that the number of students have increased. D) Statistics show that the number of students has increased. Show Answer Correct Answer: D) Statistics show that the number of students has increased. 27. What government office is tasked to gather data regarding birth, death, and marriage of registered Filipinos? A) Department of Education. B) Land Transportation Office. C) Department of Health. D) National Statistics Office. Show Answer Correct Answer: D) National Statistics Office. 28. Definition:Graph that shows the relationship between two variables. A) Dot plot. B) Scatter plot. C) Two-way table. D) Bivariate data. Show Answer Correct Answer: B) Scatter plot. 29. Which function is used to calculate the correlation coefficient between two arrays in Excel? A) =CORREL(array1, array2). B) =SUM(array1, array2). C) =MAX(array1, array2). D) =COUNT(array1, array2). Show Answer Correct Answer: A) =CORREL(array1, array2). 30. The mean of 2/5, 5/7, 3/5 and 2/7 is ..... A) 5/7. B) 1/2. C) 3/5. D) 2. Show Answer Correct Answer: B) 1/2. 31. What is bias in the context of AP Statistics data collection? A) Inconsistency in the data due to human error. B) Random error introduced by the sampling method. C) Error caused by the accuracy of the data analysis. D) Systematic error introduced by the sampling method or data collection process. Show Answer Correct Answer: D) Systematic error introduced by the sampling method or data collection process. 32. When a 99% confidence interval is calculated instead of a 95% confidence interval with n being the same, the maximum error of estimate will be? A) Smaller. B) Larger. C) The same. D) Not be determined. Show Answer Correct Answer: B) Larger. 33. In a group of 200 students, 45 are swimmers, 36 are runners, and 62 are cyclists. There are also 18 who swim and run, 22 who run and cycle, 13 who swim and cycle, and 6 who do all three. How many students do at most one of the three given activities? A) 160. B) 161. C) 159. D) 162. Show Answer Correct Answer: C) 159. 34. What is the sum of the first five terms of the geometric sequence 2, 4, 8, 16, ..... ? A) 62. B) 30. C) 32. D) 64. Show Answer Correct Answer: A) 62. 35. Which probability distribution is associated with the parameters shape=2 and scale=3? A) Chi-square distribution. B) Gamma distribution. C) Normal distribution. D) Beta distribution. Show Answer Correct Answer: B) Gamma distribution. 36. Which measure of central tendency is found by adding all the values in the set, then dividing the sum by the number of values? A) Mean. B) Range. C) Median. D) Mode. Show Answer Correct Answer: A) Mean. 37. Statistical analysis of two or more sets of numerical data to reduce the possibility of error in measurement and to determine if the differences between the data sets are greater than chance variation would be perfect. A) Descriptive statistics. B) Inferential statistics. C) Mean. D) Standard deviation. Show Answer Correct Answer: B) Inferential statistics. 38. If f(x) = x / (-x + 4) and g(x) = 2x + 2, then (f $_{0}$ g)(1) = A) ) 4/3. B) ) 4. C) ) undefined. D) ) 4 1/3. Show Answer Correct Answer: C) ) undefined. 39. Mable is a Mathematics teacher of a secondary school and she teaches 6 classes this year. Her weight is 48 kg. Which of the following is correct? A) Both 6 and 48 kg are discrete data. B) Both 6 and 48 kg are continuous data. C) 6 is a discrete datum while 48 kg is a continuous datum. D) 6 is a continuous datum while 48 kg is a discrete datum. Show Answer Correct Answer: C) 6 is a discrete datum while 48 kg is a continuous datum. 40. Find the median of the set of numbers:1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 A) 10. B) 7.5. C) 5.5. D) 6. Show Answer Correct Answer: C) 5.5. 41. What do we use to estimate unknown parameters? A) Hypothesis Test. B) Confidence Interval. C) Trig Identity. D) Guess and check. Show Answer Correct Answer: B) Confidence Interval. 42. What is the recursive formula for an arithmetic sequence with first term $a_1$ $d$ A) $a_n = a_{n-1} + d$. B) $a_n = a_{n-1} \times d$. C) $a_n = a_1 \times d^{n-1}$. D) $a_n = a_1 + d(n-1)$. Show Answer Correct Answer: A) $a_n = a_{n-1} + d$. 43. It is used to describe the basic features of the data in a study. A) Survey Method. B) Inferential Statistics. C) Descriptive Statistics. D) Case Study. Show Answer Correct Answer: C) Descriptive Statistics. 44. What level of measurement involves data that may be arranged in some order but differences between data values either cannot be determined or are meaningless? A) Ratio. B) Nominal. C) Ordinal. D) Interval. Show Answer Correct Answer: C) Ordinal. 45. Which measure indicates the spread of data around the mean? A) Median. B) Standard deviation. C) Mode. D) Range. Show Answer Correct Answer: B) Standard deviation. 46. A method of visually displaying a distribution of data values where each data value is shown as a dot or mark above a number line. A) Histogram. B) Box Plot. C) Statistics. D) Dot Plot. Show Answer Correct Answer: D) Dot Plot. 47. It refers to information such as facts and numbers used to analyze something or to make decisions. A) Sample. B) Data. C) Statistics. D) Population. Show Answer Correct Answer: B) Data. 48. ..... method in statistics involves making marks on paper or even on woods to count items. A) Telly. B) Tally. C) Tallys. D) Talliy. Show Answer Correct Answer: B) Tally. 49. Determine whether the numerical value is a parameter or statistic:A survey of 2514 college board members found that 38% think that higher education costs what it should relative to its value. A) Parameter. B) Statistic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Statistic. 50. Which application for data science involves creating AI bots and analyzing search history? A) Interpreting data from experiments. B) Computer programming. C) Marketing strategies. D) Designing new products. Show Answer Correct Answer: B) Computer programming. 51. Which of the following is a summary statistic that can be computed for all variables in a dataset? A) Scatter plot. B) Mean. C) Regression line. D) Histogram. Show Answer Correct Answer: B) Mean. 52. Which word best completes the sentence:'The ..... of the data was unexpected.' A) Analyzed. B) Analyze. C) Analyzing. D) Analysis. Show Answer Correct Answer: D) Analysis. 53. Which of the following is not a characteristic of a good survey instrument? A) Each question contains only one idea. B) The answer choices are simple and clear. C) Each question is leading the respondent to a certain answer. D) The survey instrument uses a language that is understood by everybody. Show Answer Correct Answer: C) Each question is leading the respondent to a certain answer. 54. In the set of 14, 17, 10, 22, 19, 24, 8, 12, and 19, the median score is ..... A) 17. B) 19. C) 24. D) 22. Show Answer Correct Answer: A) 17. 55. The number of children in a family is a discrete variable. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 56. Which type of statistics involves summarizing and describing data? A) Quantitative statistics. B) Inferential statistics. C) Qualitative statistics. D) Descriptive statistics. Show Answer Correct Answer: D) Descriptive statistics. 57. The scores of a random sample of 100 high school students on a standardized mathematics test in school A gave a mean of 78 and a standard deviation of 20. What is the best point estimate of the true average score in this standardized mathematics test? A) 20. B) 78. C) 95. D) 100. Show Answer Correct Answer: B) 78. 58. Determine whether the data is qualitative or quantitative:Heights of infants in a maternity ward. A) Qualitative. B) Quantitative. C) All the above. D) None of the above. Show Answer Correct Answer: B) Quantitative. 59. It is the middle position in an array of values. A) Mode. B) Mean. C) Median. D) Quartile. Show Answer Correct Answer: C) Median. 60. It is reliable or more stable measurement and generally recognized as average. A) Mean. B) Median. C) Mode. D) Standard Deviation. Show Answer Correct Answer: A) Mean. ← 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