1. Two types of Observation
Qualitative – Quality – like
your senses
Quantitative – n for
numbers

2. 1. QUALITATIVE OBSERVATIONS
Hard to measure
Describes the qualities of something
Color
Taste
Sound
Texture
**Facts not opinions.
More note taking will continue
“I notice ____”
“I see ______”

3. 2. QUANTITATIVE OBSERVATIONS MATHEMATICAL ASPECT
Can be expressed in numbers
Can be counted or measured
More to come in later lesson!
More notes

4. 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
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 4

5. Qualitative Observations
Hard to measure
Describes the qualities of something
Color - blue and white dress
Taste - sour and bitter lemon
Sound - blaring horn

6. Quantitative Observations
Can be expressed in numbers
Can be counted or measured
Amounts
Temperature - 93 ℉
Mass grams
Length - 3 yards
Allow us to communicate specifics
Tools are used to communicate data
Observations are collected in data tables

7. *red/green color, gold frame *smells old and musty
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
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 7

8. Example 3: 6th grade Class Qualitative data: *friendly demeanors
*civic minded
*environmentalists
*positive school spirit
Quantitative data:
*672 students
*394 girls, 278 boys
*68% on honor roll
*150 students accelerated in
mathematics 8

9. Example 2: Latte(Coffee)
Qualitative data:
*robust aroma
*frothy appearance
* strong taste
*glass cup
Quantitative data:
*12 ounces of latte
*serving temperature 1500 F.
*serving cup 7 inches in
height
*cost $4.95 9

10. Make one qualitative observation about the picture above.
Explain why it is a qualitative observation.
Make one quantitative observation about the picture above.
Explain why it is a quantitative observation. 10

11. Make one qualitative observation about the picture above.
Explain why it is a qualitative observation.
Make one quantitative observation about the picture above.
Explain why it is a quantitative observation. 11