This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the main purpose of a scatter plot in the context of student data? A) To show the relationship between B.Sc. percentage and Entrance marks. B) To display the monthly electricity bill. C) To compare the number of students from different districts. D) To represent the distribution of species of Iris flower. Show Answer Correct Answer: A) To show the relationship between B.Sc. percentage and Entrance marks. 2. ..... deals with the collection, presentation and interpretation of data. A) Science. B) Mathematics. C) Statistics. D) Graph. Show Answer Correct Answer: C) Statistics. 3. It is a collection of information that can be divided into groups. A) Categorical data set. B) Numerical data set. C) Statistics. D) Statistical question. Show Answer Correct Answer: A) Categorical data set. 4. What does the coefficient of determination ( $R^2$ A) The average value of the data. B) The proportion of variance explained by the model. C) The total number of data points. D) The standard deviation of the data. Show Answer Correct Answer: B) The proportion of variance explained by the model. 5. Most of the Statistics is useful for the analysis of Quantitative data A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. What is type of statisctics of T-test? A) Descriptive Statistics. B) Inferential Statistics. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inferential Statistics. 7. ..... is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions. A) Statistics. B) Data. C) Population. D) Sample. Show Answer Correct Answer: A) Statistics. 8. The smaller the sample size you have the better. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. Economic status of the Philippines due to pandemic situation A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 10. Which of the following situations illustrates combination? A) Arranging books in a shelf. B) Drawing names from a box containing 200 names. C) Forming different numbers from 5 given digits. D) . forming plate numbers of vehicles. Show Answer Correct Answer: B) Drawing names from a box containing 200 names. 11. If the coefficient of correlation between 2 variables is 0, then the two lines of regression are ..... A) Parallel. B) At right angles. C) Coincident. D) None of these. Show Answer Correct Answer: B) At right angles. 12. From the following set of numbers, which number occurs the least? (6, 7, 6, 8, 9, 6, 7, 8, 5, 9, 6, 8, 8, 9, 5, 96, 8, 9, 6, 6, 9, 5) A) 5. B) 6. C) 7. D) 8. E) 9. Show Answer Correct Answer: C) 7. 13. The following are the measure of variability, except: A) Range. B) Mean. C) Variance. D) Standard Deviation. Show Answer Correct Answer: B) Mean. 14. What is the mean of the data set 2, 4, 7, 7, 10? A) 4. B) 5. C) 6. D) 7. Show Answer Correct Answer: C) 6. 15. A coin is tossed thrice. Let X be the random variable representing the number of heads that occur. What would be the values of the random variable X? A) $X=\left\{0, 1, 2\right\}$. B) $X=\left\{0, 1, 2, 3\right\}$. C) $Y=\left\{0, 1, 2, 3\right\}$. D) $Y=\left\{1, 2, 3, 4\right\}$. Show Answer Correct Answer: B) $X=\left\{0, 1, 2, 3\right\}$. 16. Which formula is mentioned for calculating the area of a triangle? A) Slope formula. B) Pythagorean theorem. C) Heron's formula. D) Quadratic formula. Show Answer Correct Answer: C) Heron's formula. 17. What is the main aim of the first part of the course? A) To memorize historical dates. B) To develop understanding and comfort in dealing with numerical and quantitative forms. C) To write essays. D) To learn scientific experiments. Show Answer Correct Answer: B) To develop understanding and comfort in dealing with numerical and quantitative forms. 18. Which question would provide univariate data? A) What is the area and perimeter of your property land?. B) What is your quarter 1 grade and final average in Algebra?. C) How many hours did you sleep last night?. D) How many times did you send a text yesterday and how many minutes were you on your phone?. Show Answer Correct Answer: C) How many hours did you sleep last night?. 19. The average number of students in a class at White Oak University is 22.6 A) Inferential. B) Descriptive. C) All the above. D) None of the above. Show Answer Correct Answer: B) Descriptive. 20. A value that is much higher or much lower than the other values in a set of data. A) Outlier. B) Box Plot. C) Range. D) Histogram. Show Answer Correct Answer: A) Outlier. 21. In multiple linear regression, if Sepal ..... length is the dependent variable, which of the following could be independent variables? A) Petal.width, Petal.length, Sepal.width. B) Sepal length only. C) Species type only. D) Mean of Sepal length. Show Answer Correct Answer: A) Petal.width, Petal.length, Sepal.width. 22. The mean weight of 60 students in a class is 40 kg. The mean weight of boys is 50 kg while that of the girls is 30 kg, then the number of boys and girls are A) 30, 30. B) 25, 35. C) 35, 25. D) 20, 40. Show Answer Correct Answer: A) 30, 30. 23. Branch of mathematics concerned with the collection and interpretation of numerical data. A) Standard of deviation. B) Inferential statistics. C) Descriptive statistics. D) Statistics. Show Answer Correct Answer: D) Statistics. 24. What is the second step in George Polya's Problem-Solving Framework? A) Understand the problem. B) Devise a plan. C) Carry out the plan. D) Look back. Show Answer Correct Answer: B) Devise a plan. 25. Which of the following is NOT a solution of the rational inequality (x-5)/(x+3)-2 $\geq$ 0? A) 0. B) -4. C) -7. D) -10. Show Answer Correct Answer: A) 0. ← 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