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Determine Valid Operations for a Measurement Level
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DSST
DSSTSTAT.017 Determine Valid Operations for a Measurement Level
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A student file includes height in centimeters and class rank. Which pair of operations matches the two measurement levels?
A
Average class rank as a precise performance interval and treat height as nominal.
B
Compute mean height and report median class rank.
C
Compute ratios of class ranks and use only the mode for height.
D
Say rank 20 is twice as low as rank 10 and avoid height ratios.
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