Qualitative vs Quantitative Mix

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Qualitative vs Quantitative Mix

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  1. Observations and Inferences

    Slide 1 - Observations and Inferences

    • Scientists use a planned, organized approach to solving problems.
    • A key elements of this approach is gathering information through detailed observations.
    • We gain DATA from making observations
    • Two types of DATA
    • Qualitative Data
    • Quantitative Data
  2. Qualitative vs Quantitative Data

    Slide 2 - Qualitative vs Quantitative Data

    • Qualitative Data
    • Overview:
    • Deals with descriptions.
    • Data can be observed but not measured.
    • Colors, textures, smells, tastes, appearance, beauty, etc.
    • Qualitative → Quality
    • Quantitative Data
    • Overview:
    • Deals with numbers.
    • Data which can be measured.
    • Length, height, area, volume, weight, speed, time, temperature, humidity, sound levels, cost, members, ages, etc.
    • Quantitative → Quantity
  3. Example 1:  Oil Painting

    Slide 4 - Example 1: Oil Painting

    • Qualitative data:
    • *red/green color, gold frame
    • *smells old and musty
    • *texture shows brush strokes of oil paint
    • *peaceful scene of the country
    • *masterful brush strokes
    • Example 1: Oil Painting
    • Quantitative data:
    • *picture is 10" by 14”
    • with frame 14" by 18”
    • * weighs 8.5 pounds
    • surface area of painting is 140 sq. in.
    • *cost $300