This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The following are the ages of the students in a literature class:24, 30, 18, 28, 32, 18, 20. What measure will determine the age gap of the oldest and youngest student? A) Mean. B) Median. C) Mode. D) Range. Show Answer Correct Answer: D) Range. 2. Editing of data is an intermediate step between collection of data and: A) Analysis of data. B) Interpretation of data. C) Presentation of data. D) Registration of data. Show Answer Correct Answer: C) Presentation of data. 3. What is the term for a single individual within a population? A) Unit. B) Sample. C) Parameter. D) Statistic. Show Answer Correct Answer: A) Unit. 4. Frequency is the number of times a particular data value occurs A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. It shows the specific categories being compared in a graph. A) X-axis. B) Y-axis. C) Chart. D) Label. Show Answer Correct Answer: B) Y-axis. 6. What is the process called when plants make their own food using sunlight? A) Respiration. B) Photosynthesis. C) Transpiration. D) Decomposition. Show Answer Correct Answer: B) Photosynthesis. 7. Calculate the mean of this set of numbers:3, 8, 5, 7, 9 and 4 A) 5. B) 6. C) 7. D) 8. Show Answer Correct Answer: B) 6. 8. This sampling technique is ideal if every element of the population can be considered identical. A) Simple Random Sampling Technique. B) Stratified Random Sampling Technique. C) Cluster Random Sampling Technique. D) Systematic Random Sampling Technique. Show Answer Correct Answer: A) Simple Random Sampling Technique. 9. A collection, or set, of individuals or objects or events whose properties are to be analyzed. A) Array. B) Population. C) Sample. D) Data. Show Answer Correct Answer: B) Population. 10. It involves describing the data using statistical methods and procedures. A) Analysis. B) Interpretation. C) Collection. D) Organization. Show Answer Correct Answer: A) Analysis. 11. What is the purpose of cost-volume profit analysis? A) To develop new products. B) To design marketing strategies. C) To analyze the relationship between production and sales. D) To calculate employee salaries. Show Answer Correct Answer: C) To analyze the relationship between production and sales. 12. Which of these measures can be used to present an average for data? A) Standard deviation, range and mean. B) Mean, beta and normal distribution. C) Median, range, normal distribution. D) Mean, median and mode. Show Answer Correct Answer: D) Mean, median and mode. 13. What is the formula for the nth term of a geometric sequence with first term $a_1$ $r$ A) $a_n = a_1 + n \times r$. B) $a_n = a_1 + r(n-1)$. C) $a_n = a_1 \times r^{n-1}$. D) $a_n = a_1 \times n \times r$. Show Answer Correct Answer: C) $a_n = a_1 \times r^{n-1}$. 14. The mean of a data set is 20, and the standard deviation is 5. What is the z-score of a data point that is 25? A) 1. B) 5. C) 0. D) -1. Show Answer Correct Answer: A) 1. 15. To have exactly the same chance of occurring A) Equally likely. B) Random. C) Certain. D) Possible. Show Answer Correct Answer: A) Equally likely. 16. What is the purpose of using the pivot chart report option in MS-Excel when analyzing student data? A) To create a summary table for variance only. B) To visually represent summary data from a pivot table. C) To sort data alphabetically. D) To remove duplicate entries. Show Answer Correct Answer: B) To visually represent summary data from a pivot table. 17. Which of the values correlates high correlation between variables? A) R = +0.25. B) R = +0.5. C) R =-0.75. D) R = 2. Show Answer Correct Answer: C) R =-0.75. 18. ..... shows direction of the linear relationship between variables A) Correlation. B) Covariance. C) Anova. D) Standard Deviation. Show Answer Correct Answer: B) Covariance. 19. Find the median of the run made by the player in 5 T20 matches55, 44, 21, 35, 45 A) 55. B) 21. C) 35. D) 44. Show Answer Correct Answer: D) 44. 20. Statistics is also known as statistical measure for sample. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. The mean is the ..... A) Middle number. B) Mode. C) Average. D) Sum of the numbers. Show Answer Correct Answer: C) Average. 22. It is an arrangement from highest to lowest or from lowest to higher A) Array. B) Data. C) Population. D) Sample. Show Answer Correct Answer: A) Array. 23. Given the data set:2, 4, 6, 8, 10, find the median. A) 12. B) 4. C) 8. D) 6. Show Answer Correct Answer: D) 6. 24. What are the four variables present in the information of the 10 students as described in the table? A) B.Sc. percentage, Entrance marks, University, Category. B) Name, Age, Gender, Address. C) Roll number, Subject, Grade, Teacher. D) Height, Weight, Blood group, City. Show Answer Correct Answer: A) B.Sc. percentage, Entrance marks, University, Category. 25. Which type of data is included in statistics A) Qualitative data. B) Quantitative data. C) Qualitative and quantitative. D) All of the above. Show Answer Correct Answer: B) Quantitative data. ← PreviousNext →Related 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 8Class 11 Mathematics Chapter 15 Statistics Quiz 9Class 11 Mathematics Chapter 15 Statistics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books