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Processing and representing data - CCEA GCSE Statistics quiz quiz

14questions. Pick an answer and you'll see why right away.

  1. In a pie chart for 120 people, 40 chose pizza. What angle represents pizza?

  2. A pie chart's sector angles must add up to:

  3. Which display keeps the actual data values in order?

  4. A bar chart for categories differs from a histogram because its bars:

  5. On a histogram, the quantity represented by the area of a bar is the:

  6. A class 20<x≤5020 < x \le 50 has frequency 60. Its frequency density is:

  7. Cumulative frequency is plotted against the:

  8. On a cumulative frequency curve for 200 values, the lower quartile is read at:

  9. The interquartile range from a cumulative frequency curve is:

  10. A frequency polygon is drawn by plotting frequency against each class's:

  11. A two-way table is used to record:

  12. A pictogram must always include a:

  13. To find a missing frequency from a histogram you should:

  14. A back-to-back stem-and-leaf diagram is most useful for: