Significant Digits, Mean, Median, Mode

12 Questions | Total Attempts: 149

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Significant Digits, Mean, Median, Mode

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Questions and Answers
  • 1. 
    A grocery list contains 25 items ranging in price from 0.49 to 5.32. If the median item cost $2.03, how many items on the list cost more than $2.03?
    • A. 

      13

    • B. 

      12

    • C. 

      11

    • D. 

      Not enough information to tell

  • 2. 
    If 10 items in a shopping cart ranged in price from $1.23 to $5.98, is it possible for the mean price to be $7.49?
    • A. 

      Yes

    • B. 

      No

    • C. 

      Maybe

  • 3. 
    A science class of 11 students had the following quiz scores. What is the mean, median, and mode:10, 10, 9, 6, 5, 6, 5, 4, 5, 8, 9
    • A. 

      Mean = 6, median = 7, mode = 9

    • B. 

      Mean = 7, median = 6, mode = none

    • C. 

      Mean = 7, median = 6, mode = 5

    • D. 

      Mean = 6, median = 5, mode = 5

  • 4. 
    In a baseball game, the pitcher threw high and inside more than 80 percent of the time. Describe his accuracy and precision.
    • A. 

      His pitches were both accurate and precise.

    • B. 

      His pitches were neither accurate nor precise.

    • C. 

      His pitches were accurate but not precise.

    • D. 

      His pitches were precise but not accurate.

  • 5. 
    Which one of the following rulers are the most precise AND the most accurate?
    • A. 

      A ruler divided into 1/10th centimeters with clean, sharp edges

    • B. 

      A ruler divided into centimeters with clean, sharp edges

    • C. 

      A ruler divided into 1/10th centimeters with rough, worn down edges

    • D. 

      A ruler divided into 10-centimeter lengths with clean, sharp eduges

  • 6. 
    If everybody in a room had a watch that all showed a time of exactly 10:02 AM, but if the actual time was 10:05 AM, which statement below best describes those watches?
    • A. 

      The watches were all very accurate.

    • B. 

      The watches were very precisely synchronized, but not accurate.

    • C. 

      The watches were both precise and accurate.

    • D. 

      The watches were neither precise nor accurate.

  • 7. 
    It is possible for a series of measurements made by the same instrument to be very accurate, but not very precise.
    • A. 

      True

    • B. 

      False

  • 8. 
    It is possible for a series of measurements made by the same instrument to be very precise but not very accurate.
    • A. 

      True

    • B. 

      False

  • 9. 
    Round off the following number to 3 significant digits: 410.900
    • A. 

      410

    • B. 

      410.9

    • C. 

      411

    • D. 

      41

  • 10. 
    How many significant digits are there in the following number: 101.010
    • A. 

      Three

    • B. 

      Five

    • C. 

      Six

    • D. 

      None

  • 11. 
    How many significant digits are there in the following number: 0.001010
    • A. 

      Two

    • B. 

      Three

    • C. 

      Four

    • D. 

      Seven

  • 12. 
    Round off the following number to the hundredth's place: 211.02954
    • A. 

      211.03

    • B. 

      211.02

    • C. 

      211

    • D. 

      200