Math topic中文

Drawing inference

drawing simple inference from statistical diagrams

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. 2Mrs Ang runs a small tuition centre for secondary school students. The tables provide information on the cost of running…
  3. 3The graph shows information about the waste generated in Singapore from 2013 to 2023. Total Waste Generated (Waste Recyc…
  4. 4The cumulative frequency graph shows distribution of the waiting times before being served, in minutes, of 60 customers…
  5. 5A factory prints posters for corporate events. The prices of printing posters of different sizes are listed below. The f…
  6. 6John conducted a survey on the average time spent reading per week. This survey was carried out outside Woodlands Region…
  7. 7The temperatures of eighteen girls in a class on a particular day are shown in the stem-and-leaf diagram. (Stem-and-leaf…
  8. 8Below is a graph from the Annual Climate Singapore 2023, which shows the top 10 warmest years in Singapore since 1929. S…
  9. 9Mr Tan designed two computer models X and Y. Both have the same manufacturing cost. Mr Tan engaged his existing client M…
  10. 10The table below shows part of Ahmad's personal income tax bill. Calculate the values of p and q. Answer p = ... q = ...…
  11. 11The masses, in grams, of 200 apples of each of variety A and variety B are recorded. The cumulative frequency curves sho…
  12. 12A company presented their 2023 financial report in this graph. State one aspect of the graph that may be misleading and…
  13. 1312 students from class A took a Mathematics test. The table below shows the test marks of the students. However, two of…
  14. 14The diagram shows the percentages of Covid-19 patients who displayed various symptoms. Explain why the total percentage…
  15. 15Based on the pie chart shown on the right, Mrs Goh told Mr Goh that male drivers are worse drivers than female drivers.…
  16. 16Emily is considering signing up for a new credit card and has shortlisted three options: Card A, Card B and Card C. Each…
  17. 17Javier and Stella are planning their exercise routines. Javier and Stella have a body mass of 70 kg and 60 kg respective…
  18. 18Mr Ho would like to replace all 60 units of air conditioners in his office building. He is considering between two brand…
  19. 19The cumulative frequency curve shows the distribution of marks scored by 180 students in a Mathematics examination in 20…
  20. 20A company used the following line graph to show the annual profits made over a period of time. [Line graph shown below]…
  21. 21The numbers 1 to 100 are arranged in a table as shown below. A L-shaped shaded frame can be placed around various number…
  22. 2221 girls took a 40-metre shuttle run test in January 2021. The timings are shown in the stem-and-leaf diagram. Find the…
  23. 23Zhao and Mei are planning their exercise routines. They record their body weights and speeds for walking and jogging. In…
  24. 24Justin drew this graph to show his mobile data usage for each of the following four months. State one aspect of the grap…
  25. 25Julian owns a fruit stall selling fruit juice. The tables below give information related to Julian's stall. (a) Calculat…
  26. 26The stem-and-leaf diagram shows the daily number of customers over a period of one month at Branch A of a Food Outlet. W…
  27. 27Here is some information about a grain storage bin. Grain Storage Bin | Item | Value | |---|---| | Height (h) | 6880 mm…