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Scales, Scales - Coggle Diagram
Scales
Scales
Ratio Scale
Similar to Interval scale
Can be ranked, counted, added and subtracted
Cannot be negative
True zero point
Ceases to exist
Example: You have zero apples
Ratio of measurement will be meaningful
A car weighing 2000kg is twice as heavy as a car that weighs 1000kg
Provides more information about order and difference
Plus a breakdown of the numerical detail within each data point
Interval scale
Links Nominal and Ordinal
The difference between data points can be quantified
An example is Celsius and Fahrenheit
Quantitative
Discrete or continuous
Can be added or subtracted (not not divided or multiplied)
40°C is not twice as hot as 20°C
Used to understand order and difference between them
Nominal Scale
Categorises data into groups
Gender
Eye colour
City of birth
Non numerical
Are used to label or describe values
Ordinal Scale
Ranking and ordering of data
Satisfaction scale 1 (highest) - 5 (lowest)
To provide information about specific order of the data point