This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If you want to calculate the average of B.Sc. marks for the 10 students, which of the following steps should you take? A) Add all B.Sc. marks and divide by 10. B) Multiply all B.Sc. marks together. C) Subtract the lowest B.Sc. mark from the highest. D) Add all Entrance marks and divide by 10. Show Answer Correct Answer: A) Add all B.Sc. marks and divide by 10. 2. In the context of probability distributions, what does the notation P(X=5) represent? A) The probability that the random variable X takes the value 5. B) The mean of the distribution. C) The variance of the distribution. D) The cumulative probability up to 5. Show Answer Correct Answer: A) The probability that the random variable X takes the value 5. 3. IDENTIFY IF THE QUESTION IS AN OPEN-FORMAT QUESTION OR CLOSED FORMAT QUESTION.On scale of 1-5, how satisfied are you in the product? A) Both. B) Open Format Question. C) Closed Format Question. D) None of the above. Show Answer Correct Answer: C) Closed Format Question. 4. How can a pie chart be defined? A) A table that displays the frequency of the data. B) A graphical representation of information using bars. C) A statistical diagram where each category is represented by a sector of a circle. D) None of the above. Show Answer Correct Answer: C) A statistical diagram where each category is represented by a sector of a circle. 5. What is the difference between a producer and a consumer in an ecosystem? A) Producers eat other organisms, while consumers make their own food. B) Producers make their own food, while consumers eat other organisms. C) Producers decompose dead organisms, while consumers eat plants. D) Producers and consumers are the same thing. Show Answer Correct Answer: B) Producers make their own food, while consumers eat other organisms. 6. Can a data set have more than one mode? A) True. B) False. C) Neither. D) Only if the mean and median are given. Show Answer Correct Answer: A) True. 7. Find the interquartile range (IQR) of the data set:(13 data)9, 8, 3, 10, 6, 5, 9, 7, 11, 15, 7, 16, 3 A) 4.5. B) 5. C) 5.5. D) 6. Show Answer Correct Answer: B) 5. 8. Statistics is a branch of mathematics that develops experiments, observations or other statistical methods to collect ..... A) Words. B) Answers. C) Data. D) People. Show Answer Correct Answer: C) Data. 9. As the number of trials in an experiment increases, the experimental probability of an event approaches the theoretical probability of the same event, meaning the difference between the experimental and theoretical probability will be closer to zero A) Fundamental counting principal. B) Independent event. C) Inference. D) Law of large numbers. Show Answer Correct Answer: D) Law of large numbers. 10. What do you call the different arrangements of the objects of a group? A) Selection. B) Permutation. C) Differentiation. D) Combination. Show Answer Correct Answer: B) Permutation. 11. What is a 'median' in statistics? A) The average of a data set. B) The middle value in a data set. C) The most frequently occurring value. D) The difference between the highest and lowest values. Show Answer Correct Answer: B) The middle value in a data set. 12. What is a Complement in probability? A) Saying You look very nice today. B) Probability of an event happening. C) Probability of an event NOT happening. D) Not here. Show Answer Correct Answer: C) Probability of an event NOT happening. 13. A measure of variation in a set of numerical data. The interquartile range is the distance between the first and third quartiles of the data set. A) Mean. B) Median. C) Interquartile Range. D) Range. Show Answer Correct Answer: C) Interquartile Range. 14. . A restaurant offers 4 kinds of soup, 7 kinds of main dish, 5 kinds of vegetable dish, and 6 kinds of dessert. In how many possible ways can the restaurant form a meal consisting of 1 soup, 2 main dish, 3 vegetable dish, and 2 desserts? A) 840. B) 12 600. C) 106. D) 990. Show Answer Correct Answer: B) 12 600. 15. If you are asked to display the number of students admitted in 2012 and 2013 from each district in a single chart, which type of bar diagram would be most suitable? A) Multiple and subdivided bar diagram. B) Simple bar diagram. C) Pie chart. D) Line chart. Show Answer Correct Answer: A) Multiple and subdivided bar diagram. 16. A visual display of the distribution of data values using the median. Quartiles, and extremes of the data set. A box shows the middle 50% of the data A) Box Plot. B) Frequency. C) Mode. D) Measures of Center. Show Answer Correct Answer: A) Box Plot. 17. The following are needed to do for geometric construction except A) Draw angles. B) Draw arcs. C) Draw lines. D) Calculating numbers. Show Answer Correct Answer: D) Calculating numbers. 18. Area of statistics about making decisions and drawing conclusions about populations. A) Descriptive Statistics. B) Inferential Statistics. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inferential Statistics. 19. Statistics shapes our lives and influence our decisions A) True. B) False. C) Maybe. D) Not at all. Show Answer Correct Answer: A) True. 20. A researcher plans to conduct a test of hypotheses at the $\alpha$ = 0.01 significance level. She designs her study to have a power of 0.90 at a particular alternative value of the parameter of interest. The probability that the researcher will commit a Type I error is A) 0.01. B) 0.10. C) 0.90. D) 0.99. Show Answer Correct Answer: A) 0.01. 21. In MS-Excel, which steps should you follow to find the variance of Entrance marks for each category using the pivot table option? A) Insert a pivot table, place category in rows, Entrance marks in values, and set the value field to "Variance". B) Sort the data by category and manually calculate variance. C) Use the SUM function for each category. D) Apply conditional formatting to highlight high marks. Show Answer Correct Answer: A) Insert a pivot table, place category in rows, Entrance marks in values, and set the value field to "Variance". 22. It is a field of mathematics that deals with chances. A) Probability. B) Algebra. C) Geometry. D) Trigonometry. Show Answer Correct Answer: A) Probability. 23. Subset of the population containing the observed objects or the outcomes is called sample. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. It is a data collection method done when a person solicits information from another person(face-to-face) A) Interview Method. B) Questionnaire Method. C) Observation Method. D) Experimentation Method. E) Registration Method. Show Answer Correct Answer: A) Interview Method. 25. Which of the following is an example of a statistical question? A) What is your favorite color?. B) How many students are in the class?. C) What is the average height of students in the class?. D) What time is it?. Show Answer Correct Answer: C) What is the average height of students in the class?. ← 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