Practice Maths

Topic Review — Time and Data Analysis — Solutions

Click any answer to watch the solution video.

  1. 12-hour and 24-hour time

    1. 8:45 pm:
    2. 0315:
    3. 12:10 am:
    4. 1925:
    5. Movie finishes:
    6. Duration 0735 to 1410:

  2. Time zones

    1. 4:00 pm Brisbane → London:
    2. 9:00 am London → Brisbane:
    3. 11:00 pm Tuesday Brisbane → New York:
    4. Brisbane 2:00 pm → Tokyo 9:00 pm flight duration:
    5. 3:30 pm Brisbane → Perth:
    6. 6:00 am Tuesday Tokyo (UTC+9) → London (UTC+0):

  3. Reading data displays

    1. Number of members:
    2. Youngest member:
    3. Range:
    4. Mode:
    5. Median:
    6. Fraction in 30s:

  4. Back-to-back plot and comparison

    1. Tigers in ascending order:
    2. Median for each team:
    3. Range for each team:
    4. Higher median:
    5. Highest single score:
    6. Comparing spread:

  5. Extended problem solving

    1. Brisbane to Sydney drive:
      1. Total travel time:
      2. Actual driving time:
      3. Distance estimate:
    2. Cricket match broadcast:
      1. London start:
      2. Finish times:
    3. Partial stem-and-leaf:
      1. Values in 30s and 40s:
      2. Maximum value:
      3. Is the 6th value 47?: