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Age is a ratio-scale variable. The properties of the ratio-level data are: # Data classifications are ordered according to the amount of the characteristics they possess. # Equal differences in the characteristics are represented by equal differences in the numbers assigned to the classifications. # The zero point is the absense of the characteristics and the ratio between two numbers is meaningful. Say for example a 20-year-old and a 40-year-old man. You can say that the 40-year-old is twice as old as the 20-year-old. This shows that the difference is meaningful.
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What level of measurement is used for age?
It's Ratio.
What is the level of measurement for Year of Birth nominal or ordinal?
Year of birth is interval level of measurement; age is ratio.
Which level of measurement is required when determining median?
interval
Is grade scores an example of ratio scales?
Grade scores are an ordinal level of measurement. A ratio level of measurement would be weight of a person or how much money a person has.
Accuracy refers to the level of detail to which a measurement is taken?
False
