This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 27 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. Data observation are different each time they are collected is called A) Difference. B) Inequality. C) Variability. D) Quantities. Show Answer Correct Answer: C) Variability. 4. Find the mean.(1, 2, 3, 4, 5, 6) A) 3.5. B) 3.2. C) 3.4. D) 3.7. Show Answer Correct Answer: A) 3.5. 5. 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. 6. How data is spread out A) Variability. B) Non-Symmetrical. C) Outlier. D) Distribution. Show Answer Correct Answer: D) Distribution. 7. 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. 8. This statistical instrument is also called face-to-face survey. A) Interview. B) Questionnaire. C) Thesis. D) Observation. Show Answer Correct Answer: A) Interview. 9. What are characteristics that cannot be defined by a number, such as shape or color? A) Descriptive statistics. B) Inferential statistics. C) Categorical variables. D) Numerical variables. Show Answer Correct Answer: C) Categorical variables. 10. What is the formula for calculating the mean of a set of numbers? A) Sum of numbers multiplied by count of numbers. B) Sum of numbers divided by sum of numbers. C) Count of numbers divided by sum of numbers. D) Sum of numbers divided by count of numbers. Show Answer Correct Answer: D) Sum of numbers divided by count of numbers. 11. The number of times the observation has occurred/recorded in an experiment or study. A) Mode. B) Frequency. C) Range. D) Minimum. Show Answer Correct Answer: B) Frequency. 12. 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". 13. 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. 14. It is used to determine changes in the attitude, characteristics and behavior of people by watching them. A) Interviews. B) Focus Group Discussion. C) Observation. D) Survey Data. Show Answer Correct Answer: C) Observation. 15. How would you describe something that has "grown exponentially" ? A) It has increased at a rapidly increasing rate. B) It has decreased. C) It's estimated. D) It's stable. Show Answer Correct Answer: A) It has increased at a rapidly increasing rate. 16. Who is regarded as the father of biostatistics A) Fischer. B) Karl Pearson. C) Francis Galton. D) Francis Bacon. Show Answer Correct Answer: C) Francis Galton. 17. The POPULATION in statistics is best described by ..... A) A collection, or set, of individuals, objects, or events whose properties are to be analyzed. B) The total number of people that live in a particular city. C) The incomplete collection of individuals or objects that are of interest to the sample collector. D) A collection of people that are being analyzed for membership on a list of particular elements to be studied. Show Answer Correct Answer: A) A collection, or set, of individuals, objects, or events whose properties are to be analyzed. 18. The ages of five children in a family are 3, 3, 5, 8, and 18. Which statement is true for this group of data? A) Mode > mean. B) Mean > median. C) Median = mode. D) Median > mean. Show Answer Correct Answer: B) Mean > median. 19. One of the given is not the Task of Statistics A) Analyzing. B) Preparing. C) Summarizing. D) Presenting. Show Answer Correct Answer: B) Preparing. 20. 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. 21. 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. 22. 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. 23. The middle value when a data set is ordered from least to greatest. A) Median. B) Mean. C) Mode. D) Range. Show Answer Correct Answer: A) Median. 24. If you want to examine the linear relationship between Petal.width and Sepal.length, which matrix would you compute? A) Correlation matrix. B) Frequency matrix. C) Identity matrix. D) Distance matrix. Show Answer Correct Answer: A) Correlation matrix. 25. 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. ← 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