2103 Univariate - Categorical & Numerical Variables

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| By Anthony Nunan
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Anthony Nunan
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Math Quizzes & Trivia

Numerical Variables can be :
Continuous (meausred) or Discrete (counted)
Categorical Variables can be :
Ordinal (where they have a natural order) or Nominal (where they are named without a natural order)

Questions and Answers
  • 1. 

    I have collected data relating to :The shirt sizes of a team of rugby players (Large, Small, Medium, XXL)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    A. Categorical Ordinal
    Explanation
    Categorical Ordinal means there is a natural ORDER to the category. Does it make sense to order the category? In this case, it does, so it is ordinal.

    Rate this question:

  • 2. 

    I have collected data relating to :The shirt sizes of a team of rugby players (Large, Small, Medium, XXL)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    A. Categorical Ordinal
    Explanation
    Categorical Ordinal means there is a natural ORDER to the category. Does it make sense to order the category? In this case, it does, so it is ordinal.

    Rate this question:

  • 3. 

    I have collected data relating to :Pizza Size (Family, Large, Small, Medium)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    A. Categorical Ordinal
    Explanation
    Categorical Ordinal means there is a natural ORDER to the category. Does it make sense to order the category? In this case, it does, so it is ordinal.

    Rate this question:

  • 4. 

    I have collected data relating to :Blood Alcohol Test (Under, Over 0.05, Over 0.08, Lose Your Licence)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    A. Categorical Ordinal
    Explanation
    Categorical Ordinal means there is a natural ORDER to the category. Does it make sense to order the category? In this case, it does, so it is ordinal.

    Rate this question:

  • 5. 

    I have collected data relating to :Colour of cars through an intersectionThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    B. Categorical Nominal
    Explanation
    Categorical Nominal means there is no natural ORDER to the category, it is just a name and can be put in any order. Does it make sense to order the category? In this case, it doesn't, so it is nominal.

    Rate this question:

  • 6. 

    I have collected data relating to :Weight of Students (Underweight, Normal Range, Overweight)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    A. Categorical Ordinal
    Explanation
    Categorical Ordinal means there is a natural ORDER to the category. Does it make sense to order the category? In this case, it does, so it is ordinal.

    Rate this question:

  • 7. 

    I have collected data relating to :Oven Temperature (Warm, Low, Medium, High, Very High)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    A. Categorical Ordinal
    Explanation
    Categorical Ordinal means there is a natural ORDER to the category. Does it make sense to order the category? In this case, it does, so it is ordinal.

    Rate this question:

  • 8. 

    I have collected data relating to :Fridge Sizes (Bar, Small, Medium, Large, Double Door)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    A. Categorical Ordinal
    Explanation
    Categorical Ordinal means there is a natural ORDER to the category. Does it make sense to order the category? In this case, it does, so it is ordinal.

    Rate this question:

  • 9. 

    I have collected data relating to :Marathon Starting Groups (Elite, Sub 3hr, 3 to 4 hours, 4+ hours)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    A. Categorical Ordinal
    Explanation
    Categorical Ordinal means there is a natural ORDER to the category. Does it make sense to order the category? In this case, it does, so it is ordinal.

    Rate this question:

  • 10. 

    I have collected data relating to :Make of motorcycle passing through an intersectonThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    B. Categorical Nominal
    Explanation
    Categorical Nominal means there is no natural ORDER to the category, it is just a name and can be put in any order. Does it make sense to order the category? In this case, it doesn't, so it is nominal.

    Rate this question:

  • 11. 

    I have collected data relating to :whether a person drinks or not (1. Never, 2. Rarely, 3. Sometimes, 4. Often)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    A. Categorical Ordinal
    Explanation
    Categorical Ordinal means there is a natural ORDER to the category. Does it make sense to order the category? In this case, it does, so it is ordinal.

    Rate this question:

  • 12. 

    I have collected data relating to :Speed of a car through a speed trap (over speed limit or under speed limit)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    B. Categorical Nominal
    Explanation
    Categorical Nominal means there is no natural ORDER to the category, it is just a name and can be put in any order. Does it make sense to order the category? Because there are only two categories, it does not make sense to order them. Three categories might be ordinal.

    Rate this question:

  • 13. 

    I have collected data relating to :Blood alcohol reading (over limit, under limit)This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    B. Categorical Nominal
    Explanation
    Categorical Nominal means there is no natural ORDER to the category, it is just a name and can be put in any order. Does it make sense to order the category? Because there are only two categories, it does not make sense to order them. Three categories might be ordinal.

    Rate this question:

  • 14. 

    I have collected data relating to :Postcodes visited by students during the summer holiday breakThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    B. Categorical Nominal
    Explanation
    Categorical Nominal means there is no natural ORDER to the category, it is just a name and can be put in any order. Does it make sense to order the category? In this case, it doesn't, so it is nominal.

    Rate this question:

  • 15. 

    I have collected data relating to :Country of birth of 40 studentsThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    B. Categorical Nominal
    Explanation
    Categorical Nominal means there is no natural ORDER to the category, it is just a name and can be put in any order. Does it make sense to order the category? In this case, it doesn't, so it is nominal.

    Rate this question:

  • 16. 

    I have collected data relating to :Eye colour of 32 members of an extended familyThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    B. Categorical Nominal
    Explanation
    Categorical Nominal means there is no natural ORDER to the category, it is just a name and can be put in any order. Does it make sense to order the category? In this case, it doesn't, so it is nominal.

    Rate this question:

  • 17. 

    I have collected data relating to :Hair colour of a class of 24 primary studentsThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    B. Categorical Nominal
    Explanation
    Categorical Nominal means there is no natural ORDER to the category, it is just a name and can be put in any order. Does it make sense to order the category? In this case, it doesn't, so it is nominal.

    Rate this question:

  • 18. 

    I have collected data relating to :Numbers of the first three horses in each race on Melbourne Cup dayThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    B. Categorical Nominal
    Explanation
    Categorical Nominal means there is no natural ORDER to the category, it is just a name and can be put in any order. Does it make sense to order the category? In this case, it doesn't, so it is nominal.

    Rate this question:

  • 19. 

    I have collected data relating to :Temperature of an oven in degrees celsiusThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    C. Numerical Continuous
    Explanation
    Numerical Continuous - If the numbers have a natural order (they do), and they are a measurement to an increasing level or accuracy, then they are 'continuous'.

    Rate this question:

  • 20. 

    I have collected data relating to :Height of a tree in centimetresThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    C. Numerical Continuous
    Explanation
    Numerical Continuous - If the numbers have a natural order (they do), and they are a measurement to an increasing level or accuracy, then they are 'continuous'.

    Rate this question:

  • 21. 

    I have collected data relating to :Volume of water in 100 glasses of the same shape and sizeThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    C. Numerical Continuous
    Explanation
    Numerical Continuous - If the numbers have a natural order (they do), and they are a measurement to an increasing level or accuracy, then they are 'continuous'.

    Rate this question:

  • 22. 

    I have collected data relating to :Height of a team of basketball playersThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    C. Numerical Continuous
    Explanation
    Numerical Continuous - If the numbers have a natural order (they do), and they are a measurement to an increasing level or accuracy, then they are 'continuous'.

    Rate this question:

  • 23. 

    I have collected data relating to :Weight of a fish in kgThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    C. Numerical Continuous
    Explanation
    Numerical Continuous - If the numbers have a natural order (they do), and they are a measurement to an increasing level or accuracy, then they are 'continuous'.

    Rate this question:

  • 24. 

    I have collected data relating to :Time taken to run a marathonThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    C. Numerical Continuous
    Explanation
    Numerical Continuous - If the numbers have a natural order (they do), and they are a measurement to an increasing level or accuracy, then they are 'continuous'.

    Rate this question:

  • 25. 

    I have collected data relating to :Temperature on each of the 31 days of OctoberThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    C. Numerical Continuous
    Explanation
    Numerical Continuous - If the numbers have a natural order (they do), and they are a measurement to an increasing level or accuracy, then they are 'continuous'.

    Rate this question:

  • 26. 

    I have collected data relating to :Time taken to run 100 metresThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    C. Numerical Continuous
    Explanation
    Numerical Continuous - If the numbers have a natural order (they do), and they are a measurement to an increasing level or accuracy, then they are 'continuous'.

    Rate this question:

  • 27. 

    I have collected data relating to :Age of a treeThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    C. Numerical Continuous
    Explanation
    Numerical Continuous - If the numbers have a natural order (they do), and they are a measurement to an increasing level or accuracy, then they are 'continuous'.

    Rate this question:

  • 28. 

    I have collected data relating to :The number of people carried in a busThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involved 'counting something'?

    Rate this question:

  • 29. 

    I have collected data relating to :Number of people in a familyThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involved 'counting something'?

    Rate this question:

  • 30. 

    I have collected data relating to :Student absences from schoolThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involved 'counting something'?

    Rate this question:

  • 31. 

    I have collected data relating to :Number of doors on all vehicles crossing an intersectionThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involved 'counting something'?

    Rate this question:

  • 32. 

    I have collected data relating to :The total number of horses in each race on Melbourne Cup day.This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involved 'counting something'?

    Rate this question:

  • 33. 

    I have collected data relating to :The weekly wages of 25 studentsThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involve 'counting something'? This is discrete because currency is 'finite'. You can't get any less than 1 cent, so it isn't measured, it is counted.

    Rate this question:

  • 34. 

    I have collected data relating to :The pocket money spent by 40 primary school students each weekThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involve 'counting something'? This is discrete because currency is 'finite'. You can't get any less than 1 cent, so it isn't measured, it is counted.

    Rate this question:

  • 35. 

    I have collected data relating to :The cost of hiring surfboards from a beach vendorThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involve 'counting something'? This is discrete because currency is 'finite'. You can't get any less than 1 cent, so it isn't measured, it is counted.

    Rate this question:

  • 36. 

    I have collected data relating to :The cost of a taxi fare.This data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involve 'counting something'? This is discrete because currency is 'finite'. You can't get any less than 1 cent, so it isn't measured, it is counted.

    Rate this question:

  • 37. 

    I have collected data relating to :The amount spend by each customer at a restaurantThis data is :

    • A.

      Categorical Ordinal

    • B.

      Categorical Nominal

    • C.

      Numerical Continuous

    • D.

      Numerical Discrete

    Correct Answer
    D. Numerical Discrete
    Explanation
    Numerical Discrete - Does it involve 'counting something'? This is discrete because currency is 'finite'. You can't get any less than 1 cent, so it isn't measured, it is counted.

    Rate this question:

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  • Current Version
  • Mar 15, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 03, 2015
    Quiz Created by
    Anthony Nunan

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