Lesson 2a.01

2a.01 Represent data sets pictorially using calculated key values as necessary, and... Quiz: Pearson Edexcel Statistics, Unit 2

20 questions

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Lesson 2a.01, Represent data sets pictorially using calculated key values as necessary, and...: 20 multiple choice questions for the Pearson Edexcel GCSE Statistics (1ST0), Unit 2: Processing, representing and analysing data, written with Revision Ninja.

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The 20 questions

  1. Which diagram uses a key where symbols represent multiple items?

    • Pie chart
    • Scatter diagram
    • Pictogram
    • Histogram

  2. What is the sector angle for a category with frequency 30 out of a total of 120?

    • 120 degrees
    • 90 degrees
    • 45 degrees
    • 30 degrees

  3. What must a stem and leaf diagram have to find key values?

    • Equal class widths
    • Percentage values
    • Ordered leaves
    • Colour coding

  4. Which diagram shows overlapping groups of items?

    • Venn diagram
    • Pictogram
    • Tally chart
    • Pie chart

  5. What does a two-way table display?

    • Joint categorical frequencies
    • Continuous time series
    • Grouped averages
    • Cumulative frequencies

  6. How are tallies grouped in a frequency table?

    • Groups of ten
    • Groups of four
    • Pairs of two
    • Groups of five

  7. A pictogram key says each symbol = 5 people. If 3 symbols are shown, how many people does this represent?

    • 8 people
    • 15 people
    • 3 people
    • 5 people

  8. Which is a tabulation method for recording data?

    • Box plot
    • Frequency table
    • Scatter diagram
    • Histogram

  9. In a pie chart, the sector for 'bus' is 72 degrees and 200 pupils are surveyed. How many travel by bus?

    • 40
    • 50
    • 36
    • 72

  10. A stem and leaf diagram has stem 4 with leaves 1, 5, 5 and 8. What are the values?

    • 4, 1, 5, 5, 8
    • 41, 45, 45, 48
    • 41, 54, 58
    • 14, 15, 15, 18

  11. A two-way table has Bus = 35 and Walk = 25 out of a total of 60. What percentage walk?

    • 58.3%
    • 35%
    • 41.7%
    • 25%

  12. A Venn diagram has 20 people who play football and 5 who play both football and cricket. How many play only football?

    • 5
    • 20
    • 15
    • 25

  13. What makes a pictogram misleading?

    • Using a legend
    • Equal category spacing
    • Clear axis labels
    • Varying symbol sizes

  14. What chart type represents data using connected straight lines to show trends over time?

    • Bar chart
    • Scatter diagram
    • Line graph
    • Pie chart

  15. Which frequency table feature is essential when comparing groups of different totals?

    • Cumulative totals
    • Raw frequencies
    • Relative frequencies
    • Midpoint values

  16. A stem and leaf diagram has stem 3 with ordered leaves 1, 2, 7 and stem 4 with leaves 0, 5. What is the median?

    • 31
    • 32
    • 40
    • 37

  17. When comparing two pie charts with different totals, what must be proportional to the totals?

    • The angle
    • The perimeter
    • The area
    • The radius

  18. A pie chart for a total of 20 has radius 4 cm. The area must be proportional to the total. What is the radius for a total of 80?

    • 16 cm
    • 8 cm
    • 6 cm
    • 4 cm

  19. The leaves for stem 2 are 9, 3 and 6. Which is the correct ordered representation?

    • 2 | 3 6 9
    • 2 | 9 3 6
    • 2 | 6 9 3
    • 2 | 9 6 3

  20. A survey of 300 people has 180 in set A, 120 in set B and 60 in both. How many are in neither set?

    • 120
    • 240
    • 180
    • 60

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