Lhs Statistics - Unit 3 Test Review: Graphical Displays

72 Questions | Total Attempts: 97

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Lhs Statistics - Unit 3 Test Review: Graphical Displays

LHS Statistics - Unit 3 Test Review: Graphical Displays


Questions and Answers
  • 1. 
    What are the units on the horizontal axis?
    • A. 

      Frequency

    • B. 

      Minutes

    • C. 

      0-24

  • 2. 
    What percent of energy comes from a source OTHER THAN hydroelectric?
    • A. 

      80%

    • B. 

      75%

    • C. 

      4%

    • D. 

      96%

  • 3. 
    What is the class width?
    • A. 

      3

    • B. 

      4

    • C. 

      5

    • D. 

      6

  • 4. 
    What is the interquartile range?
    • A. 

      4

    • B. 

      5

    • C. 

      6

    • D. 

      7

  • 5. 
    How many classes are there?
    • A. 

      3

    • B. 

      4

    • C. 

      5

    • D. 

      6

  • 6. 
    What percent of players fall at or below a height of 74 inches?
    • A. 

      25%

    • B. 

      30%

    • C. 

      40%

    • D. 

      50%

  • 7. 
    How many people take between 12-15 minutes to drive to school?
    • A. 

      10

    • B. 

      20

    • C. 

      30

    • D. 

      40

  • 8. 
    What percent of players fall at or below a height of 85 inches?
    • A. 

      25%

    • B. 

      75%

    • C. 

      100%

    • D. 

      Not enough information

  • 9. 
    How many data values were in the original data set used to create this histogram?
    • A. 

      100

    • B. 

      80

    • C. 

      60

    • D. 

      Not enough information

  • 10. 
    What height do 25% of the players fall below?
    • A. 

      60 inches

    • B. 

      64 inches

    • C. 

      71 inches

    • D. 

      76 inches

  • 11. 
    Which class has the highest frequency?
    • A. 

      9-12

    • B. 

      12-15

    • C. 

      15-18

    • D. 

      25-30

  • 12. 
    What are the units on the x-axis?
    • A. 

      Inches

    • B. 

      Feet

    • C. 

      Cumulative relative frequency

  • 13. 
    What are the units on the veritcal axis?
    • A. 

      Frequency

    • B. 

      Minutes

    • C. 

      0-30

  • 14. 
    What is the third quartile?
    • A. 

      80 inches

    • B. 

      77 inches

    • C. 

      70 inches

    • D. 

      65 inches

  • 15. 
    Base on the histogram above, how many people take 18 minutes or less to drive to school?
    • A. 

      100

    • B. 

      85

    • C. 

      65

    • D. 

      20

  • 16. 
    The cumulative relative frequency graph above ends at 100%, will all cumulative relative frequency graphs end at 100%?
    • A. 

      Yes

    • B. 

      No

    • C. 

      Not enough information

  • 17. 
    According to the graph, what percent of people use nuclear energy?
    • A. 

      41%

    • B. 

      9%

    • C. 

      20%

    • D. 

      1%

  • 18. 
    What percent of patients stay 2 days or less?
    • A. 

      25%

    • B. 

      50%

    • C. 

      75%

    • D. 

      100%

  • 19. 
    If 1000 homes were surveyed to create the pie chart above, how many homes use natural gas?
    • A. 

      200

    • B. 

      500

    • C. 

      Not enough information

  • 20. 
    What is the interquartile range?
    • A. 

      10

    • B. 

      20

    • C. 

      30

    • D. 

      40

  • 21. 
    What percent of people used either petroleum or coal?
    • A. 

      50%

    • B. 

      66%

    • C. 

      29%

    • D. 

      10%

  • 22. 
    What percent of employees fall at or below the age of 50?
    • A. 

      25%

    • B. 

      50%

    • C. 

      75%

    • D. 

      100%

  • 23. 
    If 50% of the other category is actually wind power, what percent of energy comes from wind power?
    • A. 

      0.5%

    • B. 

      1%

    • C. 

      2%

    • D. 

      50%

  • 24. 
    How many people waited 8 minutes or less?
    • A. 

      10

    • B. 

      11

    • C. 

      12

    • D. 

      13

  • 25. 
    50% of energy comes from what two sources?
    • A. 

      Hydroelectric and nuclear

    • B. 

      Other and natural gas

    • C. 

      Petroleum and nuclear

    • D. 

      Coal and natural gas

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