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Questions
ENVX2001 (ND) Early Feedback Task - Week 3
Single choice
What concept do "degrees of freedom" represent in statistical analysis?
Options
A.The number of variables included in a statistical model
B.The number of different statistical tests that can be performed on a dataset
C.The minimum sample size needed for valid statistical inference
D.The number of values that are free to vary after imposing certain constraints
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Standard Answer
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Approach Analysis
Motivating the question: we’re testing understanding of what degrees of freedom (df) mean in statistics, especially in the context of constraints and estimation.
Option 1: 'The number of variables included in a statistical model' — This is not what df measures. The number of variables is a property of the model specification, not the degrees of freedom. Degrees of freed......Login to view full explanationLog in for full answers
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