Qualitative vs Quantitative Data Qualitative vs Quantitative Data

Qualitative vs Quantitative Data Qualitative Data Overview: • Deals with descriptions. Quantitative Data Overview:

Example 1: Oil Painting Qualitative data: Quantitative data: *red/green color, gold frame *smells old

Example 2: Latte Qualitative data: Quantitative data: *robust aroma *frothy appearance * strong taste

Example 3: Freshman Class Qualitative data: Quantitative data: *friendly demeanors *civic minded *environmentalists *positive

Make one qualitative observation about the picture above. Explain why this is a qualitative

Observations • Any information collected with the senses. • The skill of describing scientific

Inference • Conclusions or deductions based on observations. • The process of drawing a

Tracks like these are common in parts of New England in the southwestern United

Infer what happened based on your observations.

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Qualitative vs Quantitative Data

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

Example 1: Oil Painting Qualitative data: Quantitative 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 *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: Quantitative data: *robust aroma *frothy appearance * strong taste *glass cup *12 ounces of latte *serving temperature 1500 F. *serving cup 7 inches in height *cost $4. 95

Example 3: Freshman Class Qualitative data: Quantitative data: *friendly demeanors *civic minded *environmentalists *positive school spirit *672 students *394 girls, 278 boys *68% on honor roll *150 students accelerated in mathematics

Make one qualitative observation about the picture above. Explain why this is a qualitative observation. Make one quantitative observation about the picture above. Explain why this is a quantitative observation.

Observation & Inference

Observations • Any information collected with the senses. • The skill of describing scientific events.

Inference • Conclusions or deductions based on observations. • The process of drawing a conclusion from given evidence.

Tracks like these are common in parts of New England in the southwestern United States. What do you OBSERVE? What can you INFER?

Now what do you think?

Infer what happened based on your observations.

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