Quantatative vs Qualitative Data

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Examine the differences between qualitative and quantitative data. Qualitative Data | Quantitative Data | Overview: * Deals with descriptions. * Data can be observed but not measured. * Colors, textures, smells, tastes, appearance, beauty, etc. * Qualitative → Quality | 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 | Example 1: Oil Painting | | Qualitative data: * blue/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 | Example 2: Latte | | Qualitative data: * robust aroma * frothy appearance * strong taste * burgundy cup | Example 2: Latte | | Quantitative data: * 12 ounces of latte * serving temperature 150º F. * serving cup 7 inches in height * cost $4.95 | Example 3: Freshman Class | | Qualitative data: * friendly demeanors * civic minded * environmentalists * positive school spirit | Example 3: Freshman Class | | Quantitative data: * 672 students * 394 girls, 278 boys * 68% on honor roll * 150 students accelerated in mathematics | QUANTITATIVE RESEARCH - SAMPLES Quantitative research in almost all cases requires a large-scale study. Large-scale studies There are several key concepts that we need to consider when looking at samples, and these are: * elements * populations * sampling criteria * representativeness * sampling errors * randomisation In order to determine your sample, you

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