This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Mathematics > Class 11 Mathematics Chapter 15 Statistics – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Approximately what percentage of scores falls within one standard deviation of the mean in a normal distribution? A) 0.68. B) 0.34. C) 0.99. D) 0.95. Show Answer Correct Answer: A) 0.68. 2. Identify the type of random variable:number of books in a library A) Discrete Random Variable. B) Continuous Random Variable. C) All the above. D) None of the above. Show Answer Correct Answer: A) Discrete Random Variable. 3. A collection and study of data A) Survey. B) Sample Size. C) Statisitics. D) None of the above. Show Answer Correct Answer: C) Statisitics. 4. Which of the following is the correct value for the expression 2-3/2? A) 0.5. B) 1.5. C) -0.5. D) 2.5. Show Answer Correct Answer: A) 0.5. 5. How many ways can you arrange books of the same kind if there are 4 Math books, 3 Science books, and 2 English books on a shelf? A) 1 278. B) 288. C) 1 728. D) 1 720. Show Answer Correct Answer: C) 1 728. 6. It is a data collection method done through the use of printed questions regarding a certain matter(pen and paper) A) Questionnaire Method. B) Observation Method. C) Experimentation Method. D) Registration Method. E) Interview Method. Show Answer Correct Answer: A) Questionnaire Method. 7. The following table shows the heights, in inches, of the players on the opening-night roster of the 2015-2016 New York Knicks84, 80, 87, 75, 77, 79, 80, 74, 76, 80, 80, 82, 82The population standard deviation of these data is approximately A) 3.5. B) 3.6. C) 80. D) 79.7. Show Answer Correct Answer: A) 3.5. 8. Which of the following best describes the use of the FREQUENCY() function in the context provided? A) To complete a table showing the number of students in each B.Sc.Perc. range. B) To calculate the maximum B.Sc.Perc. C) To find the correlation between B.Sc.Perc. and Entrance. D) To count the number of blank cells. Show Answer Correct Answer: A) To complete a table showing the number of students in each B.Sc.Perc. range. 9. The median of the data 155, 160, 145, 149, 150, 147, 152, 144, 148 is A) 149. B) 147. C) 150. D) 144. Show Answer Correct Answer: A) 149. 10. What is the mode of the following data set? 12, 14, 10, 8, 12, 10, 8, 9, 11, 14, 17, 6, 10, 6, 16, 15, 16, 12, 18, 20, 20, 14, 6, 9, 10, 12, 18, 15, 11, 158, 15, 9, 8, 12, 11, 17, 20 16, 8 A) 6 and 8. B) 6 and 10. C) 8 and 12. D) 10 and 12. Show Answer Correct Answer: C) 8 and 12. 11. If the scores on a test have a mean of 26 and a standard deviation of 4, what is the z-score for a score of 18? A) ) 2. B) )-2. C) )-1.41. D) ) 11. Show Answer Correct Answer: B) )-2. 12. An observable characteristic that can be measured or classified A) Scale. B) Ratio. C) Parameter. D) Variable. Show Answer Correct Answer: D) Variable. 13. The number of accidents in a city during 2010 is A) Constant. B) Continuous variable. C) Qualitative variable. D) Discrete variable. Show Answer Correct Answer: D) Discrete variable. 14. If the coefficient of correlation between x and y is r, then between $u=\frac{x-5}{10}$ $v=\frac{y-7}{2}$ A) R. B) $\left(\frac{r-5}{2}\right)$. C) $\left(\frac{r-7}{10}\right)$. D) -r. Show Answer Correct Answer: A) R. 15. These are data represented by numbers. A) Quantitative Data. B) Qualitative Data. C) Discrete Data. D) Continuous Data. Show Answer Correct Answer: A) Quantitative Data. 16. ..... to describe basic feature of data in a study. A) Descriptive Statistics. B) Inferential Statistics. C) All the above. D) None of the above. Show Answer Correct Answer: A) Descriptive Statistics. 17. What is the branch of statistics that involves organizing, displaying and describing data? A) Inferential statistics. B) Sports statistics. C) Descriptive statistics. D) Health statistics. Show Answer Correct Answer: C) Descriptive statistics. 18. A branch of Mathematics that deals with collecting, organizing, analyzing and interpreting? A) Statestics. B) Statistics. C) Staticstics. D) Stetistics. Show Answer Correct Answer: B) Statistics. 19. Which type of chart would be most appropriate to display the number of students admitted in the year 2012 from various districts? A) Bar chart and pie chart. B) Line chart. C) Scatter plot. D) Histogram. Show Answer Correct Answer: A) Bar chart and pie chart. 20. Which type of statistic is this? Using this product will burn 74% more calories. A) Descriptive. B) Inferential. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inferential. 21. Data that are collected for the first time by an investigator A) Secondary data. B) Tertiary data. C) Primary data. D) Array data. Show Answer Correct Answer: C) Primary data. 22. Ungrouped Data is: A) Constant. B) Variable. C) Primary Data. D) Secondary Data. Show Answer Correct Answer: C) Primary Data. 23. A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.The "100" is the ..... A) Statistic. B) Population Size. C) Sample Size. D) Parameter. Show Answer Correct Answer: C) Sample Size. 24. A market researcher surveys 85 people on their coffee-drinking habits. She wants to know whether people in the local region are willing to switch their regular drink to something new. A) The market researcher. B) 85 people. C) People in the region. D) Society at large. Show Answer Correct Answer: B) 85 people. 25. If the arithmetic Mean of x, x + 3, x + 6, x + 9 and x + 12 is 10, then x =? A) 1. B) 2. C) 4. D) 6. Show Answer Correct Answer: C) 4. 26. If the sum of squares of the ranks difference in mathematics and science marks of 10 students is 22, then the coefficient of rank correlation is ..... A) 0.267. B) 0.867. C) 0.92. D) None of these. Show Answer Correct Answer: B) 0.867. 27. Which of the following methods in gathering data requires face-to-face inquiry with the respondents? A) Registration. B) Interview. C) Questionnaire. D) Experimentation. Show Answer Correct Answer: B) Interview. 28. What do you need in solving mean for grouped data? A) Summation of classmark ($\sigma$X) Number of sample (n). B) Number of sample (n) Summation of Product of frequency and class mark ($\sigma$fX). C) Frequency (f) Classmark (X) Lower Class Boundary (LCB). D) Class size (i) Less than cumulative frequency ( Show Answer Correct Answer: B) Number of sample (n) Summation of Product of frequency and class mark ($\sigma$fX). 29. What is the integral of cos(x) dx? A) Tan(x) + C. B) 1/x + C. C) Sin(x) + C. D) Cos(x) + C. Show Answer Correct Answer: C) Sin(x) + C. 30. It is the application of statistical methods to designing experiments in medicine. A) Biology. B) Bioengineering. C) Biostatistics. D) Biomimetics. Show Answer Correct Answer: C) Biostatistics. 31. Which of the following Excel functions would you use to find the maximum value in a dataset? A) =AVERAGE(number1, [number2], ). B) =MIN(number1, [number2], ). C) =MAX(number1, [number2], ). D) =SUM(number1, [number2], ). Show Answer Correct Answer: C) =MAX(number1, [number2], ). 32. Statistics has been derived from A) Economics of Nation. B) Geography of Nation. C) Status of State. D) None of the given. Show Answer Correct Answer: C) Status of State. 33. A numerical value summarizing all the data of an entire population A) Array. B) Parameter. C) Variable. D) Data. Show Answer Correct Answer: B) Parameter. 34. Calculate the variance of the data set:2, 4, 4, 4, 5, 5, 7, 9. A) 4. B) 2. C) 5. D) 3. Show Answer Correct Answer: A) 4. 35. According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey? A) 200 adults. B) Adults in the U.S. C) 75% of adults. D) None of the above. Show Answer Correct Answer: B) Adults in the U.S. 36. STATISTICAL or NON-STATISTICAL QUESTION:How old is your class adviser? A) STATISTICL. B) NON-STATISTICAL. C) All the above. D) None of the above. Show Answer Correct Answer: B) NON-STATISTICAL. 37. The ..... is the totality of the observations with which we are concerned. A) Population. B) Sample. C) All the above. D) None of the above. Show Answer Correct Answer: A) Population. 38. Which tool is commonly used by statisticians for analyzing data? A) SAS. B) Tableau. C) Python. D) SPSS. Show Answer Correct Answer: D) SPSS. 39. Which of the following only involves quantitative variables? A) Number of family members vs types of vacation. B) Number of siblings versus types of pets. C) Age versus race. D) Years of experience versus amount of money saved. Show Answer Correct Answer: D) Years of experience versus amount of money saved. 40. A list of 6 pulse rates is:70, 64, 80, 74, 92. What is the median for this list? A) 80. B) 76. C) 77. D) 74. Show Answer Correct Answer: D) 74. 41. A collection of methods for planning experiments, obtaining data, and thenthen organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on the data. A) Algebra. B) Statistics. C) Results. D) Essay. Show Answer Correct Answer: B) Statistics. 42. At a particular college, 78% of all students are receiving some kind of financial aid.The school newspaper selects a random sample of 100 students and 72% of the respondents say they are receiving some sort of financial aid. Which of the following is true? A) 78% is a population and 72% is a sample. B) 72% is a population and 78% is a sample. C) 78% is a parameter and 72% is a statistic. D) 72% is a parameter and 78% is a statistic. Show Answer Correct Answer: C) 78% is a parameter and 72% is a statistic. 43. Given the set 2, 3, 1, 0, 4, 2, 3, 3, 1, 3. What is the mode? A) 4. B) 3. C) 1. D) 2. Show Answer Correct Answer: B) 3. 44. Determine $\nabla\cdot\left(F\times G\right)$ $F\left(x, y, z\right)=2xi+j+4yk$ $G\left(x, y, z\right)=xi+yj-zk$ A) $4x$. B) $2xy-x$. C) $-4xy$. D) $-\left(2xz-4xy\right)$. E) $-4y^2$. Show Answer Correct Answer: A) $4x$. 45. Ranking students from the individual with the highest CGPA to lowest is an example of A) Ordinal scale. B) Nominal scale. C) Interval scale. D) Ratio scale. Show Answer Correct Answer: A) Ordinal scale. 46. If the value of mean and mode are respectively 30 and 15, then Median = A) 25. B) 22.5. C) 26. D) 24.5. Show Answer Correct Answer: A) 25. 47. Best measure of central tendency in a highly skewed distribution A) Mean. B) Mode. C) Median. D) Range. Show Answer Correct Answer: C) Median. 48. The measures of ..... tendency and measures of ..... describes the distribution of the data A) Central and range. B) Median and mode. C) Central and spread. D) Variance and skewness. Show Answer Correct Answer: C) Central and spread. 49. Given the scores 1, 3, 3, 3, 5, 5, 6, 6, 6, and 10. What is/are the mode? A) 3. B) 3 and 5. C) 5 and 6. D) 3 and 6. Show Answer Correct Answer: D) 3 and 6. 50. Which of the following is NOT a type of sampling mentioned? A) Systematic Sample. B) Qualitative Sample. C) Stratified Sample. D) Random Sample. Show Answer Correct Answer: B) Qualitative Sample. 51. It refers to the consistency of results. A) Validity. B) Reliability. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reliability. 52. When a sample does not accurately represent the population it is a: A) A. Unbiased sample. B) B. Biased sample. C) All the above. D) None of the above. Show Answer Correct Answer: B) B. Biased sample. 53. In which type of sampling does each member of the population have an equally likely chance of being selected? A) Convenience Sample. B) Stratified Sample. C) Random Sample. D) Cluster Sample. Show Answer Correct Answer: C) Random Sample. 54. What is the formula for calculating the coefficient of determination? A) (SSR/SST). B) 1 + (SSR/SST). C) 1-(SSR/SST). D) 1 * (SSR/SST). Show Answer Correct Answer: C) 1-(SSR/SST). 55. The middle number of an ordered set of data is called what? A) Mode. B) Outlier. C) Median. D) Mean. Show Answer Correct Answer: C) Median. 56. Which of the following is a subset of a population that will serve as a representative of the whole population? A) Census. B) Sample. C) Population. D) Statistics. Show Answer Correct Answer: B) Sample. 57. Which of the following is an example of categorical data? A) Age of Grade 7 Students. B) Favorite subject of Grade 7 Students. C) All the above. D) None of the above. Show Answer Correct Answer: B) Favorite subject of Grade 7 Students. 58. What is the main topic of the lesson? A) Geometry. B) Algebra. C) Statistics. D) Calculus. Show Answer Correct Answer: C) Statistics. 59. Military rank is an example of this scale of measurement. A) Interval. B) Ratio. C) Nominal. D) Ordinal. Show Answer Correct Answer: D) Ordinal. 60. . If there are 4 chocolate chips, 2 oatmeal, 2 double chocolate cookies in a box, in how many different orders can be made from these cookies? A) 420. B) 440. C) 490. D) 470. Show Answer Correct Answer: A) 420. ← 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books