Data & Statistics Quiz

15 Questions | Total Attempts: 743

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Data & Statistics Quiz

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Questions and Answers
  • 1. 
    Find the median in the set of data  23, 13, 18, 29, 32, 25.
    • A. 

      18

    • B. 

      24

    • C. 

      25

    • D. 

      29

  • 2. 
    Find the mean of the set of data  12, 9, 6, 17, 20, 15, 12, 5.
    • A. 

      12

    • B. 

      7.5

    • C. 

      3

    • D. 

      20

  • 3. 
    Find the mode of the set of data  12, 13, 18, 10, 13, 18, 12, 10, 18, 15
    • A. 

      13

    • B. 

      10

    • C. 

      13 & 18

    • D. 

      18

  • 4. 
    Find the outlier of the set of data  24, 37, 33, 31, 28, 25, 33, 12
    • A. 

      31

    • B. 

      12

    • C. 

      30

    • D. 

      33

  • 5. 
    Find the range of the set of data 12, 9, 6, 17, 20, 15, 12, 5.
    • A. 

      12

    • B. 

      7.5

    • C. 

      15

    • D. 

      20

  • 6. 
    Dylan found the mean and median of this list of numbers: 1, 3, 3. If the number 6 were added to the list, then...
    • A. 

      The mean would increase.

    • B. 

      The mean would decrease.

    • C. 

      The median would increase.

    • D. 

      The median would decrease.

  • 7. 
    The histogram shows the number of minutes students at Marlowe Junior High typically spend on household chores each day. How many students spend 61-80 minutes on chores?
    • A. 

      10

    • B. 

      11

    • C. 

      12

    • D. 

      13

  • 8. 
    The histogram shows the number of minutes students at Marlowe Junior High typically spend on household chores each day. How many students spend 60 minutes or less on chores?
    • A. 

      15

    • B. 

      3

    • C. 

      5

    • D. 

      18

  • 9. 
    Use the bar graph below. Approximately how many more students ride in a car than walk?
    • A. 

      3

    • B. 

      50

    • C. 

      100

    • D. 

      150

  • 10. 
    Use the line graph. By how many millions of dollars did sales increase from 1992 to 1993?
    • A. 

      $20 million

    • B. 

      $35 million

    • C. 

      $40 million

    • D. 

      $15 million

  • 11. 
    Decide which sampling method is used. You sample every sixth person at a grocery store to see what type of sports events they watch.
    • A. 

      Random Sampling

    • B. 

      Systematic Sampling

    • C. 

      Convenience Sampling

  • 12. 
    Decide which sampling method is used. Your teacher puts the names of all the students in your class into a box. He selects a class representative by drawing a name out of the box.
    • A. 

      Random sampling

    • B. 

      Systematic sampling

    • C. 

      Convenience sampling

  • 13. 
    At Javier's summer job with a research company, he must get a random sample of people in a local town to answer a question about an upcoming election. Which method could he use to get a random sample?
    • A. 

      Questioning parents waiting for their child at school

    • B. 

      Collecting responses only at work

    • C. 

      Selecting every other mail-in response

    • D. 

      Selecting people randomly from the list of town residents

  • 14. 
    Which question is biased?
    • A. 

      "What sport do you play?"

    • B. 

      "Do you prefer to sit on the couch and watch TV or do you like to exercise and stay in shape?"

    • C. 

      "What is your favorite food?"

    • D. 

      "Do you prefer yogurt or pudding for dessert?"

  • 15. 
    Which survey question is unbiased?
    • A. 

      "Do you prefer bringing a healthy lunch to school or eating overcooked cafeteria food?"

    • B. 

      "Which do you prefer with a meal, water or a syrupy sweet soft drink?"

    • C. 

      "Do you prefer bringing lunch to school or eating school lunches?"

    • D. 

      "Do you prefer the stake tater tots or the fresh fruit?"

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