Lesson 2b.02

2b.02 Justify the rationale for selecting appropriate types of average in context Quiz: Pearson Edexcel Statistics, Unit 2

20 questions

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Lesson 2b.02, Justify the rationale for selecting appropriate types of average in context: 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 average is most appropriate for the most common shoe size sold?

    • Range
    • Mean
    • Median
    • Mode

  2. Which average is most appropriate when a few extremely high salaries are included?

    • Median
    • Mean
    • Range
    • Mode

  3. Which average uses every data value and supports later standard deviation calculations?

    • Modal class
    • Mean
    • Median
    • Mode

  4. Which average is appropriate for the most popular colour of cars, which is non-numeric?

    • Midrange
    • Mean
    • Mode
    • Median

  5. A school wants a typical number of books owned by pupils, where a few pupils own very large libraries. Which average is best?

    • Range
    • Median
    • Total
    • Mean

  6. Which average identifies the most frequent class in grouped data?

    • Median
    • Modal class
    • Mean
    • Range

  7. Why is the mean appropriate when comparing total goal counts across football seasons?

    • Ignores outliers
    • Uses every value
    • Only uses middle
    • Non-numeric data

  8. Why is the median unaffected by extremely large values in a dataset?

    • Uses range limits
    • Uses most frequent
    • Uses middle position
    • Uses all totals

  9. A data set has values 1, 2, 3, 4 and 100. Which average gives a more typical value?

    • Total
    • Range
    • Median
    • Mean

  10. Why is the arithmetic mean unsuitable for categorical data like favourite sports?

    • Categories lack numbers
    • Frequencies are equal
    • Data has outliers
    • Too many categories

  11. Which average gives the best single summary for symmetric numerical data with no outliers?

    • Mean
    • Modal class
    • Range
    • Mode

  12. A data set has mean 12 and median 8, with a few extreme values. Which average better reflects a typical value?

    • Mode
    • Range
    • Median
    • Mean

  13. Which average is defined as the total of all values divided by the number of values?

    • Modal class
    • Median
    • Mean
    • Mode

  14. When is the mode the most appropriate average to report?

    • To find total values
    • When data is skewed
    • For continuous data
    • For categorical data

  15. What does a modal class of 40 to 50 indicate in grouped frequency data?

    • Most frequent class
    • Median interval
    • Class midpoint
    • Highest data value

  16. Five values have a mean of 10. One value of 2 is removed. What is the new mean?

    • 9.6
    • 10
    • 12
    • 8

  17. Which average is best to use when data is heavily skewed?

    • Range
    • Median
    • Sum
    • Mean

  18. Why might a single average be misleading for a bimodal distribution?

    • Data is symmetric
    • Zero range present
    • Two distinct peaks
    • No outliers exist

  19. Given values 50, 52, 55, 55, 58, 99, which measure best represents typical performance?

    • Mean
    • Median
    • Sum
    • Range

  20. What is the mean of the values 3, 5, 7 and 9?

    • 5
    • 24
    • 6
    • 7

All Pearson Edexcel Statistics quizzes