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JAMB and WAEC Further Mathematics questions: Statistics

15 questions with answers and explanations. Tap an option to check yourself.

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All topicsCoordinate geometry and conic sections · 16Differentiation · 18Dynamics · 15Functions and rational functions · 15Integration · 16Matrices and determinants · 16Permutations and combinations · 15Polynomials and the remainder theorem · 16Probability · 16Sequences and series · 16Sets, binary operations and logic · 16Statics · 14Statistics · 15Surds, indices and logarithms · 16The binomial theorem · 15Trigonometry · 16Vectors · 16

  3. Question 3· Statistics· WAEC

    If every value in a data set is increased by 5, the variance

    Explanation and discussion

  5. Question 5· Statistics· WAEC

    The variance of a set of data is 16. Its standard deviation is

    Explanation and discussion

  9. Question 9· Statistics· WAEC

    The standard deviation of a data set with variance 25 is

    Explanation and discussion

  10. Question 10· Statistics· WAEC

    The measure of dispersion that uses only the largest and the smallest values is the

    Explanation and discussion

  11. Question 11· Statistics· WAEC

    If each value in a data set is increased by 5, the standard deviation

    Explanation and discussion

  12. Question 12· Statistics· WAEC

    What are the class boundaries of the class 20–29 in a table of whole-number data?

    Explanation and discussion

  13. Question 13· Statistics· WAEC

    The interquartile range of a distribution is

    Explanation and discussion

  14. Question 14· Statistics· WAEC

    The mean of 5 numbers is 12. If one number, 20, is removed, the mean of the remaining numbers is

    Explanation and discussion

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