Which of the Following Could Not Be Determined by an Observation

question 16

Multiple Choice

Which of the following could not be determined by an observation that uses only spectroscopy?

• A)the chemical composition of a distant star
• B)the speed at which a distant galaxy is moving away from us
• C)the surface temperature of a distant star
• D)the rotation rate of a distant star
• E)the size of a distant galaxy

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Definitions:

Real Lower Limits

The actual start point of a class interval in statistics, indicating the smallest value that can be included in that interval.

Particular Level

A specific value or category of a variable within a research or statistical analysis.

Grouped Frequency Distribution

A representation of data that shows the number of observations within a given interval, helping in understanding the distribution of data points.

Equal Size

A condition often desired in statistical sampling or experimental design where all groups or samples have the same number of observations.