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What is the difference between a measurement and an observation?A. Measurements are made with tools; observations are not.B. Observations are biased, while measurements are always unbiased.C. Measurements are compared to a standard; observations are not.D. Observations are only indirect ways of gathering data.

Respuesta :

Answer:

A. Measurements are made with tools; observations are not

Explanation:

Measurement: the assignment of numbers or codes according to prior-set rules.

Observation: data from an individual study subject or sampled unit.

Measurement error: differences between "true" answers and what appears on data collection instruments

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