alleryStart learning →The shape of a chi-square distribution is set by a parameter written df, which stands for:
ADistribution form
BDegrees of freedom
CDifference factor
DData frequency
Answer & Solution
Correct answer: B. Degrees of freedom
1. A whole family of chi-square curves exists rather than one.
2. Which curve applies is fixed by a single number.
3. That number is df, the degrees of freedom.
4. It depends on how chi-square is being used.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 11 'The Chi-Square Distribution', sections 11.1-11.5_
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