data interpretation - tables and graphs, selection of appropriate operations for problems - Question Bank
1. When comparing the 'percentage increase' in sales from Year 1 to Year 2 versus Year 2 to Year 3, using data from a line graph, the operations involved are:
2. If a table shows the number of boys and girls in different classes, and the question asks for the 'total number of students' in all classes, the primary operation needed is:
3. Which of the following operations is LEAST likely to be directly required when interpreting a simple pie chart showing percentages?
4. To find the 'total cost' when given the number of items and the cost per item, the operation is:
5. A 'pictograph' uses symbols to represent data. If each symbol represents 100 units, and you see 5 symbols for a category, what operation do you perform to find the total?
6. When calculating 'compound interest', which operation is fundamental for determining the amount after multiple periods?
7. If a question asks to find the 'difference' between the average of one set of data and the average of another set, the operations involved are:
8. A 'bar chart' is most suitable for:
9. Which operation is essential to calculate 'simple interest' when principal, rate, and time are given?
10. If a table shows the number of defective and non-defective items produced by three machines, and you need to find the 'total number of defective items', you would perform:
11. What does a 'frequency table' primarily organize?
12. If a problem states that 'A is 20% more than B', and asks to find the percentage by which B is less than A, the operations involved are typically:
13. A 'line graph' is particularly effective for showing:
14. When finding the 'difference' between the percentages of two categories in a pie chart, what is the fundamental operation?
15. If a table shows the prices of a commodity over several months, and a question asks for the 'total value' of goods sold (assuming a constant quantity sold each month), the operation would be:
16. Which type of graph is most suitable for showing the composition of a single entity, like the budget allocation of a government department?
17. To calculate the 'percentage' of a part out of a whole, the formula is:
18. A 'range' in data interpretation typically refers to:
19. If a table shows the number of students who passed and failed an exam, and you need to find the 'total number of students' who appeared, you would perform:
20. What is the primary function of a 'legend' in a graph or table?
21. When calculating the 'average speed' given total distance and total time, the operation is:
22. If a question asks to find 'how many times' value A is greater than value B, the operation implied is:
23. Which graphical tool is best for comparing the population of several cities at a single point in time?
24. A data table provides the following information: Year, Revenue, Expenditure. If asked for the 'profit' in a specific year, the operation would be:
25. Which operation is crucial for finding the 'total earnings' if you know the number of units sold and the price per unit?
26. When calculating profit margin as a percentage of cost, the formula typically involves:
27. What does a 'stacked bar graph' typically show?
28. If a table shows the number of male and female employees in different departments, and the question asks for the 'total number of employees' in a specific department, the operation needed is:
29. Which graph type is most appropriate for displaying the distribution of student scores on an exam, grouped into ranges (e.g., 0-10, 11-20)?
30. To find the 'average' or 'mean' of a set of values presented in a table, what are the two fundamental operations required?
31. A broken-line graph is another term for which type of graph?
32. If a problem requires finding the 'total number' of items when given the number of items per group and the number of groups, which operation is needed?
33. What is the main advantage of using a table over a graph for presenting data?
34. When calculating a 'percentage increase' or 'decrease' from a table, the sequence of operations typically involves:
35. Which type of graph would be best for showing the market share of different companies in a particular industry?
36. If a question asks to find the 'difference' between the highest and lowest values in a dataset presented in a bar chart, which operation is required?
37. A Venn diagram is most effective for illustrating:
38. When analyzing a table of company profits over five years, if you need to calculate the 'total profit', which operation is fundamental?
39. A cumulative frequency graph (ogive) is used to determine:
40. If a data interpretation problem involves finding the 'ratio' of two quantities presented in a graph, which basic arithmetic operation is directly implied?
41. Which of the following best describes the purpose of a frequency polygon?
42. When interpreting a table showing population growth over decades, what operation would be essential to find the 'percentage change' between two specific decades?
43. A scatter plot is primarily used to show:
44. If a question asks for the 'average increase' in a quantity over several years, which operation would you most likely need to perform on data presented in a table or graph?
45. What does a double bar graph help in visualizing?
46. When comparing the sales figures of different products in a single month, which graphical representation is most effective?
47. A histogram is used to represent:
48. In a table, what is the primary purpose of a header row?
49. Which type of graph is best for showing a trend over a continuous period?
50. A pie chart is most suitable for representing: