This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Data Handling > Class 7 Mathematics Chapter 3 Data Handling – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 3 Data Handling Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How do you group tally marks together?By:Maths Online Bathinda 9464387372 A) By threes. B) By twos. C) By fives. D) By fours. Show Answer Correct Answer: C) By fives. 2. The median of the distribution 2, 3, 4, 7, 5, 1, 6 is A) 4. B) 2. C) 1. D) 3. Show Answer Correct Answer: A) 4. 3. The expansion of CRLF is A) Control Return and Line Feed. B) Carriage Return and Form Feed. C) Control Router and Line Feed. D) Carriage Return and Line Fee. Show Answer Correct Answer: D) Carriage Return and Line Fee. 4. What is a Pie Graph? A) A graph that uses pictures of pie to display data. B) A graph that uses bars to display data. C) A graph that is shaped like a circle to display data. D) None of the above. Show Answer Correct Answer: C) A graph that is shaped like a circle to display data. 5. Choose the correct definition for the word '' median" A) The set of number that is found in the middle. B) The first set of numbers. C) The last number in the row. D) Its all the data added. Show Answer Correct Answer: A) The set of number that is found in the middle. 6. When a die is thrown, find the probability of not a prime number A) 1/6. B) 1/3. C) 1/2. D) None of these. Show Answer Correct Answer: C) 1/2. 7. 1, 2, 3, 5, 6, 4, 6, 3. The mode is ..... A) 6. B) 4. C) 2. D) 3. Show Answer Correct Answer: D) 3. 8. Each 'slice' of a pie chart is what part of a circle? A) Sector. B) Segment. C) Sequence. D) None of the above. Show Answer Correct Answer: A) Sector. 9. Data can be collected from ..... A) Sample. B) Census. C) Both from Census and Sample. D) None of the above. Show Answer Correct Answer: C) Both from Census and Sample. 10. To find the "mean", I need to ..... A) Take highest value subtract lowest value. B) Add up all the values. C) Divide the total by the observation. D) Find the middle number. Show Answer Correct Answer: C) Divide the total by the observation. 11. Find the mode and the median of:3, 16, 12, 14, 19, 12, 14, 13 and 14Are they same A) 12, 11, No. B) 14, 14, Yes. C) 14, 16, No. D) None of these above. Show Answer Correct Answer: B) 14, 14, Yes. 12. List the outcomes of a coin tossed A) Heads and tails. B) Heads and one. C) Tails and one. D) None of these. Show Answer Correct Answer: A) Heads and tails. 13. Data cannot be represented by graphs or pictures etc A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. Today is Tuesday.It is ..... that yesterday was Friday. A) Impossible. B) Certain. C) All the above. D) None of the above. Show Answer Correct Answer: B) Certain. 15. Juan solved 8 math problems every day for 7 days. How many problems did he solve all together? A) 32. B) 45. C) 56. D) 64. Show Answer Correct Answer: C) 56. 16. Complete the following sentence:The range is the ..... subtracted from the ..... ? A) Lowest and highest. B) Highest and lowest. C) Average and highest. D) Average and lowest. Show Answer Correct Answer: A) Lowest and highest. 17. State the suitable data collection method of the following"Consumers preferences for three brands of bread" A) Interview. B) Survey. C) Observation. D) Experiment. Show Answer Correct Answer: B) Survey. 18. ..... is a collection of facts and figures such as numbers and words. A) Time. B) Data. C) Shape. D) None of the above. Show Answer Correct Answer: B) Data. 19. Which of the following is True about a dataframe data structure in Pandas? A) Values of a dataframe is immutable. B) Its homogenous data structure. C) Size of dataframe is immutable. D) Values of a dataframe is mutable. Show Answer Correct Answer: D) Values of a dataframe is mutable. 20. Which observation in the following data has maximum frequency? 1, 1, 2, 4, 3, 2, 1, 2, 2, 4 A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: B) 2. 21. In a SELECT with a GROUP BY clause, a WHERE clause, and a HAVING clause, the WHERE conditions are applied before the HAVING conditions. A) True. B) False. C) Either True or False. D) None of the above. Show Answer Correct Answer: A) True. 22. Which of the following is the mean of first five natural numbers? A) 4. B) 5. C) 3. D) 2. Show Answer Correct Answer: C) 3. 23. The graph divided into sectors is called A) Histogram. B) Bar graph. C) Pie chart. D) Pictograph. Show Answer Correct Answer: C) Pie chart. 24. When a die is thrown, list the outcomes of an event of getting a prime number A) 1. B) 1, 3, 5. C) 2, 3, 5. D) None of these. Show Answer Correct Answer: C) 2, 3, 5. 25. What is the probability of drawing a piture card ( Jack, Queen, King ) from a deck of 52 cards? A) $\frac{4}{52}$. B) $\frac{1}{4}$. C) All the above. D) None of the above. Show Answer Correct Answer: B) $\frac{1}{4}$. 26. THE MEAN IS ONE OF THE NUMBERS IN A DATA A) YES. B) NO. C) NONE. D) None of the above. Show Answer Correct Answer: A) YES. 27. The classmark/midpoint of the class 20-30 is A) 30. B) 25. C) 20. D) 50. Show Answer Correct Answer: B) 25. 28. Statistical question is a question that can be aswered by collecting data and there will be variability in the data related to the question. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 29. 5, 6, 7, 9, 3. The mode is ..... A) 6. B) 9. C) 4. D) 7. Show Answer Correct Answer: A) 6. 30. Which of the following is libraries/modules in Python? A) Pandas. B) Numpy. C) Food Plotlib. D) All of these. Show Answer Correct Answer: D) All of these. 31. The tally mark IIII shows frequency. A) 5. B) 3. C) 2. D) None of these. Show Answer Correct Answer: D) None of these. 32. The complete angle is A) 360. B) 45. C) 180. D) 90. Show Answer Correct Answer: A) 360. 33. This helps in representing data as part of a whole A) Bar Graph. B) Histogram. C) Pie Chart. D) None of the above. Show Answer Correct Answer: C) Pie Chart. 34. Point out the correct combination with regards to kind keyword for graph plotting. A) 'hist' for histogram. B) 'box' for boxplot. C) 'area' for area plots. D) All of the mentioned. Show Answer Correct Answer: D) All of the mentioned. 35. Which of the following is a well-defined set? A) {a happy child}. B) {a popular TV series}. C) {a favorite book by my classmates}. D) NONE OF THESE. Show Answer Correct Answer: B) {a popular TV series}. 36. The range is found by finding the ..... number and subtracting the ..... number. A) Biggest, Smallest. B) Even, Odd. C) Smallest, Biggest. D) First, Last. Show Answer Correct Answer: A) Biggest, Smallest. 37. A coin is tossed. Which of the following is the probability of getting a head or tail? A) 0. B) 1/2. C) 1. D) None of these. Show Answer Correct Answer: C) 1. 38. A bar graph consists of a ..... line and a ..... line meeting at a point marked ..... A) Horizontal | diagonal | 0. B) Horizontal | vertical | 1. C) Vertical | horizontal | 0. D) Diagonal | vertical | 0. Show Answer Correct Answer: C) Vertical | horizontal | 0. 39. 20, 24, 20, 22, 21, 20. The mode is ..... A) 24. B) 23. C) 25. D) 20. Show Answer Correct Answer: D) 20. 40. Calculate 20% of 260. A) 54. B) 13. C) 52. D) 26. Show Answer Correct Answer: C) 52. 41. What is the arithmatic mean of 1, 2, ..... , 9, 10? A) 6. B) 5.5. C) 10. D) 7.5. Show Answer Correct Answer: B) 5.5. 42. The mean of 8 observations was found to be 57 later on it was discovered that one observation 48 was misread as 84, find the correct mean. A) 60. B) 420. C) 52.5. D) 5.25. Show Answer Correct Answer: C) 52.5. 43. What is the singular form of data? A) Datun. B) Dated. C) DATIM. D) Datum. Show Answer Correct Answer: D) Datum. 44. What is the median of the data below?42, 2, 54, 12, 20, 6, 30 A) 54. B) 20. C) 12. D) 2. Show Answer Correct Answer: B) 20. 45. Usually, data available to us in an unorganised form is called A) Raw data. B) Data. C) Information. D) Facts and figures. Show Answer Correct Answer: A) Raw data. 46. The ..... of a set of observations is the observation that occurs most often. A) Mode. B) Range. C) Median. D) None of the above. Show Answer Correct Answer: A) Mode. 47. Numbers from 1 to 15 are written on separate slips(one number on one slip), kept in a box and mixed well. One slip chosen from the box without looking into it. What is the probability of getting a number greater than 6? A) 9/10. B) 6/10. C) 3/5. D) None of these. Show Answer Correct Answer: C) 3/5. 48. When 2 coins are tossed together, what is the probability of getting tails on both coins? A) $\frac{1}{2}$. B) $\frac{2}{4}$. C) $\frac{1}{4}$. D) $1$. Show Answer Correct Answer: C) $\frac{1}{4}$. 49. The median is always one of the numbers in a data A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 50. Form's 1 students hobbies during CMCO is a type of A) Qualitative data. B) Continuous data. C) Numerical data. D) Categorical data. Show Answer Correct Answer: D) Categorical data. 51. In a percentage pie chart, what angle represents 10% of the data? A) 15 degree. B) 72 degree. C) 30 degree. D) 36 degree. Show Answer Correct Answer: D) 36 degree. 52. An Auditorium has 600 seats. 2/3 of the seats are empty. How many seats are empty A) 200. B) 400. C) 300. D) 100. Show Answer Correct Answer: B) 400. 53. Consider the data set below consisting of 8 data values.10, 9, 5, 18, 12, 13, 5, 20Which data value when added to the data set does not change the median of the data set? A) 5. B) 12. C) 11. D) 10. Show Answer Correct Answer: C) 11. 54. Using Graph 1 on your worksheet work out how many oranges were sold? A) 40. B) 44. C) 48. D) 35. Show Answer Correct Answer: C) 48. 55. As part of class project, Rekha needs to find the average age of her family members. Rekha writes herfamily member's age as follows32, 30, 23, 19, 15Which of these is the average age of members in Rekha's family? A) 17.8. B) 32.8. C) 15.8. D) 23.8. Show Answer Correct Answer: D) 23.8. 56. Find half of the sum of $\frac{\text{4}}{\text{15}}$ $\frac{\text{11}}{\text{15}}$ A) 1. B) 1/5. C) 1/2. D) None of the above. Show Answer Correct Answer: C) 1/2. 57. In the interval 35-45, 45 is called A) Lower limit. B) Range. C) Frequency. D) Upper limit. Show Answer Correct Answer: D) Upper limit. 58. The data 12, 13, 14, 15, 16 has every observation as mode. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 59. A coin is flipped to decide which team starts the game.What is the probability that your team will start? A) 1/2. B) 1/3. C) 1/4. D) None of the above. Show Answer Correct Answer: A) 1/2. 60. Select the correct output out of the following:str1 = 'Welcome'print(str1[4]) A) M. B) O. C) W. D) C. Show Answer Correct Answer: B) O. ← PreviousNext →Related QuizzesMathematics QuizzesClass 7 QuizzesClass 7 Mathematics Chapter 3 Data Handling Quiz 1Class 7 Mathematics Chapter 3 Data Handling Quiz 2Class 7 Mathematics Chapter 3 Data Handling Quiz 3Class 7 Mathematics Chapter 3 Data Handling Quiz 4Class 7 Mathematics Chapter 3 Data Handling Quiz 5Class 7 Mathematics Chapter 3 Data Handling Quiz 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books