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CQE · Question #123

A two-way analysis of variance has r levels for one variable and c levels for the second variable with 2 observations per cell. The degree of freedom for interaction is

The correct answer is B. (r-1)(c-1). See the full explanation below for the reasoning.

Statistical Tools and Techniques

Question

A two-way analysis of variance has r levels for one variable and c levels for the second variable with 2 observations per cell. The degree of freedom for interaction is

Options

  • A2(r)(c)
  • B(r-1)(c-1)
  • Crc-1
  • D2(r-1)(c-1)

How the community answered

(64 responses)
  • A
    14% (9)
  • B
    78% (50)
  • C
    3% (2)
  • D
    5% (3)

Topics

#two-way ANOVA#degrees of freedom#interaction#experimental design

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