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1.1b Box & Whisker Plots
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1.1b Box & Whisker Plots

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    1.1b Box & Whisker Plots 1.1b Box & Whisker Plots Presentation Transcript

    • Chapter 1 Bitsy Griffin
      • Minimum (min)
      • Maximum (max)
      • Median (med AND Q2)
      • Quartiles (Q1, Q3)
      • Interquartile Range
      • Range
      Chapter 1 Bitsy Griffin
      • Definition
        • Picture of how data is clustered without showing every value
      • Information needed
        • Minimum, Maximum AND Quartiles
        • Use your calculator to find these
      Chapter 1 Bitsy Griffin
      • Draw a number line with EQUAL intervals & evenly spaced.
      • Range on the number line should be a little larger than minimum and maximum.
      Chapter 1 Bitsy Griffin
      • Leave space above the number line for the box.
      • Above the line, use points to mark the min, Q1, med/Q2, Q3, and max.
      • Draw the box and whiskers using the points as a guide.
      Chapter 1 Bitsy Griffin
      • Weekly hours spent on homework
      • Our data:
        • Min 6 , Max 16, Med 10, Q1 7.5, Q3 12
      • What range and intervals should be used on the number line?
      Chapter 1 Bitsy Griffin
      • Mark min, max, med, Q1, Q3
      • Draw Box & Whisker
      Chapter 1 Bitsy Griffin
      • What’s the minimum?
      • What is the maximum?
      • What’s the range?
      • What is the interquartile range?
      Chapter 1 Bitsy Griffin
      • 45, 37, 33, 16, 14, 11, 12, 8, 7, 13, 3, 5, 6, 3, 6, 4
      Chapter 1 Bitsy Griffin
      • 15.7, 18, 10.6, 13.9, 14, 23.5, 10.1, 11.9, 12.3, 26.6, 18.2, 12.8, 16.6, 11.6, 15.7
      Chapter 1 Bitsy Griffin