Lesson 2d.01

2d.01 Use different types of index and weighted index numbers in context, including but not... Quiz: Pearson Edexcel Statistics, Unit 2

20 questions

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Lesson 2d.01, Use different types of index and weighted index numbers in context, including but not...: 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. What is the standard formula used to calculate a simple index number?

    • (Current x Base) / 10
    • (Base / Current) x 100
    • Current - Base
    • (Current / Base) x 100

  2. A price was 80 in the base year and is 100 now. What is the index?

    • 125
    • 20
    • 100
    • 80

  3. An index number of 150 with a base year of 100 represents what percentage change?

    • 50% decrease
    • 150% increase
    • 15% increase
    • 50% increase

  4. Bread costs £1.20 now and £1.00 in the base year. What is the index?

    • 120
    • 83.3
    • 1.2
    • 20

  5. A consumer price index (CPI) of 105 is measured against a base of 100. What change does this show?

    • A 50% rise
    • A 105% rise
    • A 0.5% rise
    • A 5% rise

  6. An index number of 90 with a base year of 100 represents what percentage change?

    • 90% increase
    • 10% increase
    • 90% decrease
    • 10% decrease

  7. GDP was 200 billion in the base year and is 260 billion now. What is the index?

    • 130
    • 77
    • 260
    • 60

  8. What is the main purpose of calculating an index number?

    • Calculate average cost
    • Compare relative changes
    • Determine exact profit
    • Measure total sum

  9. What economic factor does the retail price index primarily measure?

    • Average household size
    • Unemployment rates
    • Total national income
    • Price changes over time

  10. An index rose from 100 to 112 in one year. What is the percentage increase?

    • 10%
    • 12%
    • 2%
    • 112%

  11. What is the standard index value assigned to a base year?

    • 100
    • 1000
    • 0
    • 1

  12. A house price index fell from 140 to 126. What is the percentage fall?

    • 14%
    • 126%
    • 12%
    • 10%

  13. A product's index rises from 110 to 121. What is the percentage rise in the index?

    • 11%
    • 21%
    • 110%
    • 10%

  14. A price index with base 2000 reads 118 in 2005. What is the percentage price increase?

    • 1.18%
    • 18%
    • 118%
    • 82%

  15. A GDP index with 2015 = 100 reads 92 in 2020. What does this mean?

    • Output is 8% below 2015
    • Output is 8 times 2015
    • Output is unchanged
    • Output rose 92%

  16. A value of 45 has a base value of 60. What is its index?

    • 60
    • 133
    • 75
    • 15

  17. Why can an index number not be calculated if the base value is zero?

    • Excessive rounding
    • Negative square root
    • Missing units
    • Division by zero

  18. What do index numbers compare values against?

    • A base year
    • The median value
    • Upper quartile
    • Total frequency

  19. An index moves from 135 in 2020 to 144 in 2022, with base 2010 = 100. What is the percentage increase between 2020 and 2022?

    • 1.4%
    • About 6.7%
    • 44%
    • 9%

  20. A product cost £30 in the base year, and the index now reads 150. What is its current price?

    • £180
    • £45
    • £20
    • £150

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