This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If the arithmetic Mean of x, x + 3, x + 6, x + 9 and x + 12 is 10, then x =? A) 1. B) 2. C) 6. D) 4. Show Answer Correct Answer: D) 4. 2. 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. 3. Which of the following methods in gathering data requires face-to-face inquiry with the respondents? A) Questionnaire. B) Experimentation. C) Registration. D) Interview. Show Answer Correct Answer: D) Interview. 4. 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). 5. What is the integral of cos(x) dx? A) Sin(x) + C. B) Cos(x) + C. C) Tan(x) + C. D) 1/x + C. Show Answer Correct Answer: A) Sin(x) + C. 6. It is the application of statistical methods to designing experiments in medicine. A) Biomimetics. B) Bioengineering. C) Biostatistics. D) Biology. Show Answer Correct Answer: C) Biostatistics. 7. Which of the following Excel functions would you use to find the maximum value in a dataset? A) =MAX(number1, [number2], ). B) =MIN(number1, [number2], ). C) =AVERAGE(number1, [number2], ). D) =SUM(number1, [number2], ). Show Answer Correct Answer: A) =MAX(number1, [number2], ). 8. 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. 9. A numerical value summarizing all the data of an entire population A) Array. B) Data. C) Variable. D) Parameter. Show Answer Correct Answer: D) Parameter. 10. The median of a given frequency distribution is found graphically with the help of A) Histogram. B) Bar graph. C) Frequency polygon. D) Ogive. Show Answer Correct Answer: D) Ogive. 11. Calculate the variance of the data set:2, 4, 4, 4, 5, 5, 7, 9. A) 4. B) 2. C) 3. D) 5. Show Answer Correct Answer: A) 4. 12. 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. 13. 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. 14. 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. 15. Which tool is commonly used by statisticians for analyzing data? A) Tableau. B) SPSS. C) Python. D) SAS. Show Answer Correct Answer: B) SPSS. 16. Which of the following only involves quantitative variables? A) Age versus race. B) Number of siblings versus types of pets. C) Number of family members vs types of vacation. D) Years of experience versus amount of money saved. Show Answer Correct Answer: D) Years of experience versus amount of money saved. 17. A list of 6 pulse rates is:70, 64, 80, 74, 92. What is the median for this list? A) 74. B) 76. C) 77. D) 80. Show Answer Correct Answer: A) 74. 18. A collection of methods for planning experiments, obtaining data, and thenthen organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on the data. A) Results. B) Statistics. C) Algebra. D) Essay. Show Answer Correct Answer: B) Statistics. 19. 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. 20. Given the set 2, 3, 1, 0, 4, 2, 3, 3, 1, 3. What is the mode? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 21. 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) $-4y^2$. B) $-4xy$. C) $4x$. D) $2xy-x$. E) $-\left(2xz-4xy\right)$. Show Answer Correct Answer: C) $4x$. 22. 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. 23. If the value of mean and mode are respectively 30 and 15, then Median = A) 26. B) 25. C) 24.5. D) 22.5. Show Answer Correct Answer: B) 25. 24. Best measure of central tendency in a highly skewed distribution A) Mean. B) Median. C) Mode. D) Range. Show Answer Correct Answer: B) Median. 25. 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. ← 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 8Class 11 Mathematics Chapter 15 Statistics Quiz 9Class 11 Mathematics Chapter 15 Statistics Quiz 10Class 11 Mathematics Chapter 15 Statistics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books