3.1 Graphical Displays Of Data

15 Questions | Total Attempts: 362

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Data Quizzes & Trivia

Questions and Answers
  • 1. 
    The vertical axis of a histogram is usually labelled
    • A. 

      Score

    • B. 

      Frequency

    • C. 

      Magnitude

    • D. 

      Value

  • 2. 
    A set of data has a range of 155. A histogram displaying the data has 8 intervals. What is an appropriate bin width to display the data?
    • A. 

      19.6

    • B. 

      8

    • C. 

      20

    • D. 

      19

  • 3. 
    A set of data has a range of 155. A histogram displaying the data has 8 intervals. If the lowest data point is 87, what should the initial value of the first interval be? 
    • A. 

      84.5

    • B. 

      87

    • C. 

      85

    • D. 

      82

  • 4. 
    A set of data has a range of 10.6. A histogram displaying the data has 6 intervals. What is an appropriate bin width to display the data?
  • 5. 
    A set of data has a range of 10.6. A histogram displaying the data has 6 intervals. If the lowest data point is 87, what is an appropriate initial value for the first interval that ensures no data falls on any interval boundaries? (Note: all of the data points have 1 decimal place)
  • 6. 
    A histogram has a bin width of 0.5. The left end point of the first interval is 7.25. What is the left end point of the sixth interval?
    • A. 

      9.75

    • B. 

      10.25

    • C. 

      12.25

    • D. 

      13.25

  • 7. 
    Which of the following describes the histogram of a perfectly U-shaped distribution?
    • A. 

      Assymetric

    • B. 

      Bars of equal height

    • C. 

      Skewed

    • D. 

      Bimodal

  • 8. 
    The histogram of a U-shaped distribution may have an interval with frequency zero located
    • A. 

      In the middle

    • B. 

      Only on the left side

    • C. 

      Only on the right side

    • D. 

      On both the left and right sides

  • 9. 
    Rolling a die a large number of times and recording the number on the top face should result in a distribution that is
    • A. 

      U-shaped

    • B. 

      Uniform

    • C. 

      Mound-shaped

    • D. 

      Skewed

  • 10. 
    Which of the following distributions is not symmetrical?
    • A. 

      U-shaped

    • B. 

      Uniform

    • C. 

      Mound-shaped

    • D. 

      Skewed

  • 11. 
    A mound-shaped distribution is symmetrical about a vertical line passing through
    • A. 

      The origin

    • B. 

      The interval with smallest frequency

    • C. 

      The interval with greatest frequency

    • D. 

      None of the above

  • 12. 
    Which one do you like?
    • A. 

      Option 1

    • B. 

      Option 2

    • C. 

      Option 3

    • D. 

      Option 4

  • 13. 
    The senior soccer team includes students from all grades but most of its members are from the lower grades. The distribution of the ages of team members would likely be
    • A. 

      U-shaped

    • B. 

      Mound shaped

    • C. 

      Left skewed

    • D. 

      Right skewed

  • 14. 
    What shape of distribution best describes the following data? Score 10 11 12 13 14 Frequency 109 87 50 79 112
    • A. 

      Bimodal

    • B. 

      Uniform

    • C. 

      Mound shaped

    • D. 

      Left skewed

  • 15. 
    The average IQ is 100 and most people have an IQ between 90 and 110. Very few people have an IQ below 55 or above 145. The distribution of IQs is most likely
    • A. 

      U-shaped

    • B. 

      Uniform

    • C. 

      Mound-shaped

    • D. 

      Skewed

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