This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Determine the range of the data set:12, 15, 18, 21, 24, 27 A) 15. B) 20. C) 9. D) 30. Show Answer Correct Answer: A) 15. 2. Juan took four 10 point tests and scored an average of 6. If he took a fifth test and scored an 8, how would that affect his mean score? A) It would decrease. B) It would increase. C) It would remain the same. D) None of the above. Show Answer Correct Answer: B) It would increase. 3. Mike biked the following miles on various days:5, 10, 7, 3, 9, 2How many miles does he need to travel for his median miles biked to be 5 miles? A) 9 miles. B) 4 miles. C) 6 miles. D) 8 miles. Show Answer Correct Answer: B) 4 miles. 4. The temperature for a week in July had highs of 76, 84, 83, 91. What will happen to the mean if the temperature the next day is 76? A) It will increase by 1.5. B) It will increase by 3. C) It will decrease by 1.5. D) It will decrease by 3. Show Answer Correct Answer: C) It will decrease by 1.5. 5. Find the mode of:2.3, 7.2, 8.2, -9.1, 4.9, -9.8, 5.3, 6.2, 8.7, -5, 5.7, -0.5 A) No mode. B) Unimodal. C) Bimodal. D) None of the above. Show Answer Correct Answer: A) No mode. 6. Find the mean of the data set18, 2, 0, 0, 0 A) 4. B) 5. C) 10. D) 20. Show Answer Correct Answer: A) 4. 7. Which of the following is also called as the Positional Average A) Geometric Mean. B) Quartile Deviation. C) Median. D) Airthematic Mean. Show Answer Correct Answer: C) Median. 8. If x and y are related by x-y-10 = 0 & mode of x isknown to be 23, then the mode of y is: A) 20. B) 13. C) 3. D) 23. Show Answer Correct Answer: B) 13. 9. The squared deviations from the mean A) Can be positive and negative values. B) Sum to zero. C) Are always positive values. D) None of the above. Show Answer Correct Answer: C) Are always positive values. 10. Penelope spent the following hours of time on homework Monday through Friday.3, 7, 8, and 4.How many hours would she need to work to have a median of 5 hours spent on homework for the week. A) 4. B) 3. C) 5. D) 6. Show Answer Correct Answer: D) 6. 11. What is the formula to calculate the mean of a set of numbers? A) Mean = (Sum of all numbers) * (Total count of numbers). B) Mean = (Sum of all numbers) + (Total count of numbers). C) Mean = (Sum of all numbers) / (Total count of numbers). D) Mean = (Sum of all numbers)-(Total count of numbers). Show Answer Correct Answer: C) Mean = (Sum of all numbers) / (Total count of numbers). 12. It is the middle entry or term in a set of data arranged in either increasing or decreasing order. A) Mode. B) Variance. C) Median. D) Mean. Show Answer Correct Answer: C) Median. 13. If one or more data items are much greater than the other items, the mean, rather than the median, is more representative of the data. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. Which of the following measures of variability is the most reliable? A) Range. B) Mean deviation. C) Variance. D) Standard deviation. Show Answer Correct Answer: D) Standard deviation. 15. If the mean of a data set is 10, what is the missing piece of data? 5, 4, 7, 15, 12, ..... A) 7. B) 17. C) 20. D) 16. Show Answer Correct Answer: B) 17. 16. When should you use the standard deviation? A) When you want an outlier to have an effect on your measure of centrality. B) When you want a measure that is robust to outliers. C) When you want to know the most common value of a dataset. D) When you want to measure how not normal something is. Show Answer Correct Answer: D) When you want to measure how not normal something is. 17. Write 4/5 as a decimal and percent. A) 4.5 and 45%. B) 0.8 and 8%. C) 0.45 and 45%. D) 0.8 and 80%. Show Answer Correct Answer: D) 0.8 and 80%. 18. How long did it take for each person to get to to school? A) Statistical. B) Non-statistical. C) All the above. D) None of the above. Show Answer Correct Answer: A) Statistical. 19. The weights, in grams, of seven sweet potatoes are260, 225, 205, 240, 232, 205, 214 What is the median weight? A) 225. B) 200. C) 240. D) 205. Show Answer Correct Answer: A) 225. 20. How do we find the median when there are exactly TWO numbers in the middle of the data set? A) We add up all of the numbers and divide by the number of numbers. B) Subtract the lower extreme from the upper extreme. C) Add the two numbers together and divide the sum by 2. D) Use the formula I = P x r x t. Show Answer Correct Answer: C) Add the two numbers together and divide the sum by 2. 21. Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct? A) Quantitative observations use numbers, qualitative uses the senses. B) Quantitative observations use the senses, qualitative uses numbers. C) Quantitative observations use measurement, qualitative uses numbers. D) Quantitative observations use colors, qualitative uses the senses. Show Answer Correct Answer: A) Quantitative observations use numbers, qualitative uses the senses. 22. Compute Lower Class Boundary (LBMd) by adding 0.5 on the Lower-class boundary containing the median class. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. When you are trying to find the MEDIAN of a set of data and 2 numbers are left in the middle after putting them in order from least to greatest, what do you do? A) List both of the numbers as the Median. B) Add the two numbers together and divide by 2. C) Pick the one that you want. D) Subtract the two numbers. Show Answer Correct Answer: B) Add the two numbers together and divide by 2. 24. What is the first step when looking at data? A) Find the mean. B) Put them in order from least to greatest. C) Sort the data into categories. D) Find the range. Show Answer Correct Answer: B) Put them in order from least to greatest. 25. Calculate the median for this set of data22, 32, 44, 11, 5, 28, 19, 30. A) Median=22. B) Median=24.5. C) Median=25. D) Median=28. Show Answer Correct Answer: C) Median=25. ← PreviousNext →Related QuizzesClass 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 1Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 2Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 3Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 4Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 5Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 6Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 7Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 8Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 9Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books