True. Observations can indeed be categorized into two main types: quantitative and qualitative.
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Quantitative observations are those that can be measured and expressed numerically. They involve data that can be quantified, such as height, weight, temperature, and age.
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Qualitative observations, on the other hand, are descriptive and involve characteristics that can be observed but not measured numerically. Examples include color, texture, taste, and smell.
So the statement is true.