Math topic中文

Analysis interpretation

analysis and interpretation of:

  • tables
  • bar graphs
  • pictograms
  • line graphs
  • pie charts
  • dot diagrams
  • histograms with equal class intervals
  • stem-and-leaf diagrams
  • cumulative frequency diagrams
  • box-and-whisker plots

Practice questions

  1. 1The masses of two batches of 400 steel bars produced by factory A and B were measured and recorded. The cumulative frequ…
  2. 2The diagram below shows the speed-time graph of a bus journey. The bus accelerated from rest at 1.25 m/s^2 to a speed of…
  3. 3The stem-and-leaf diagram shows the test scores of the boys and girls from a particular class. [Stem-and-leaf diagram pr…
  4. 4Explain how the line graph above may be misleading. Answer ...
  5. 5The graph shows the sales at a particular mall. Explain why the mean sales is not a good indication as a central measure…
  6. 6Sam is a 40-year-old man who earns a gross salary of $8000 a month. He is a Singaporean and an employee of a Singapore…
  7. 7A survey was carried out to find out the number of emails received in a week by each of a group of students. The table b…
  8. 8Alisha bought candles of 3 different fragrances. The bar graph shows the number of each type of candle that she bought.…
  9. 9The cumulative frequency curve shows the marks obtained by the 120 students in a recent Mathematics Test. The maximum ma…
  10. 10The following stem-and-leaf diagram shows the scores of students in a math test. the median score, Answer ___ the interq…
  11. 11The marks of a group of 19 students in a test were recorded, as the marks are shown in the stem and leaf diagram. The mo…
  12. 12The following stem-and-leaf diagram shows the marks obtained by 20 pupils in a class test that has a total mark of 50. S…
  13. 13The graph shows information about the waste generated in Singapore from 2013 to 2023. Total Waste Generated (Waste Recyc…
  14. 14The masses of 20 bags, in kg, are measured. The results are shown on the stem-and-leaf diagram. Find the mean mass of th…
  15. 15In a class of 36 students, each student is either in a sports team or a performing arts club. Each student is also eithe…
  16. 16The stem and leaf diagram below shows the marks obtained by 30 students in a Science test marked out of 80 marks. Find t…
  17. 17The cumulative frequency graph shows distribution of the waiting times before being served, in minutes, of 60 customers…
  18. 18The waiting time, t in minutes, for 40 customers at two phone service shops, Shop A and Shop B, are as follows. Calculat…
  19. 19The diagram shows the speed-time graph of an object over a period of 40 seconds. Calculate the deceleration of the objec…
  20. 20A factory prints posters for corporate events. The prices of printing posters of different sizes are listed below. The f…
  21. 21John conducted a survey on the average time spent reading per week. This survey was carried out outside Woodlands Region…
  22. 22Electricity tariffs are regulated by the Energy Market Authority (EMA) of Singapore and revised quarterly to reflect the…
  23. 23The temperatures of eighteen girls in a class on a particular day are shown in the stem-and-leaf diagram. (Stem-and-leaf…
  24. 24Below is a graph from the Annual Climate Singapore 2023, which shows the top 10 warmest years in Singapore since 1929. S…
  25. 25The heights of 400 students in School A are recorded. The cumulative frequency curve below shows the distribution of the…
  26. 26Mr Tan designed two computer models X and Y. Both have the same manufacturing cost. Mr Tan engaged his existing client M…
  27. 27John owns a cleaning company that cleans office blocks. The number of employees in his company and their salaries in 202…
  28. 28The table below shows part of Ahmad's personal income tax bill. Calculate the values of p and q. Answer p = ... q = ...…
  29. 29The heights, in centimeters, of 100 plants of each of species A and species B are recorded. The cumulative frequency cur…
  30. 30Lina had $800 in her wallet. She spent some money from January to May. The line graph shows the amount of money in her w…
  31. 31The table below shows the amount of time spent playing online games by a group of children in one particular week. Calcu…
  32. 32y=x34−2x+3y = \dfrac{x^3}{4} - 2x + 3. Complete the table of values for y=x34−2x+3y = \dfrac{x^3}{4} - 2x + 3. On the grid opposite, dra…
  33. 33The masses of 20 bags, in kg, are measured. The results are shown on the stem-and-leaf diagram. Find the mean mass of th…
  34. 34A website shows a poster of the poaching statistics of African elephants. Explain how the poster above may be misleading…
  35. 35A book writer intends to sell her books to either Australia or Brazil, and she is planning to use Singapore post office…
  36. 36The masses, in grams, of 200 apples of each of variety A and variety B are recorded. The cumulative frequency curves sho…
  37. 37The table shows the height, h cm, of 60 plants. Calculate an estimate of the standard deviation of the height of the pla…
  38. 38On the map, 3 MRT stations, Braddell (NS18), Caldecott (CC17) and Toa Payoh (NS19) are joined to form a triangle. constr…
  39. 39Peter is shopping for an air conditioner. Peter writes down the duration he would use the air conditioner in the followi…
  40. 40The graph shows the number of cyclists in an annual cycling marathon for the years 2017 to 2019. State one aspect of the…
  41. 41A company presented their 2023 financial report in this graph. State one aspect of the graph that may be misleading and…
  42. 42Complete the table of values for y=2x2−2x.Valuesaregiventoonedecimalplacewhereappropriate.Onthegridopposite,drawthegraphofy=\dfrac{2}{x^{2}}-2x. Values are given to one decimal place where appropriate. On the grid opposite, draw the graph of …
  43. 43Rebecca always travels by taxi to work. To get a taxi, she has two options. She can either flag down a taxi at the roads…
  44. 44The cumulative frequency graph shows the distribution of times of the first 120 runners to finish a marathon in 2022. Th…
  45. 4512 students from class A took a Mathematics test. The table below shows the test marks of the students. However, two of…
  46. 46The diagram shows the percentages of Covid-19 patients who displayed various symptoms. Explain why the total percentage…
  47. 47Based on the pie chart shown on the right, Mrs Goh told Mr Goh that male drivers are worse drivers than female drivers.…
  48. 48The box-and-whisker plots show the distribution of the masses (in grams) of eggs sold in Shop A and Shop B. There are 25…
  49. 49Emily is considering signing up for a new credit card and has shortlisted three options: Card A, Card B and Card C. Each…
  50. 5060 potato plants produce 5 to 10 potatoes each. The mass of potatoes produced by each plant were measured. The cumulativ…
  51. 51The graph shows the total mass of food waste collected around a particular neighbourhood at the end of each given year.…
  52. 52A researcher conducted a Particle Filtration Efficiency (PFE) test on surgical masks and reusable masks which have been…
  53. 53The line chart below shows the sales performance of a company. Explain what is misleading about this line chart and how…
  54. 54The speed-time graph shows the journey that Lim makes during a three-hour journey. Find the acceleration at 0815. Answer…
  55. 55The graph below shows the trend in the number of cases of people infected with the coronavirus in a particular country.…
  56. 56The students in a school participate in exactly one CCA each. The table shows information on the type of CCA which stude…
  57. 57A survey was conducted to find out the preferred brand of mobile phone that secondary school students like. State one as…
  58. 58The cumulative frequency graph below shows the weight of 240 students in a school. Use the graph to find (a) the number…
  59. 59The frequency table below shows the number of books read by a group of students in a month. Write down the least possibl…
  60. 60Javier and Stella are planning their exercise routines. Javier and Stella have a body mass of 70 kg and 60 kg respective…