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CSS Statistics QUESTION #2008
Question 1
In a Randomized Complete Block (RCB) design with \(b = 9\) blocks and \(t = 4\) treatments, the error degrees of freedom is:
  • 35
  • 32
  • 24✔️
  • 27
Correct Answer Explanation
Error df in RCBD \(= (b-1)(t-1) = (9-1)(4-1) = 8 \times 3 = 24\). Equivalently, total df \(= bt - 1 = 35\), blocks df \(= b - 1 = 8\), treatments df \(= t - 1 = 3\), so error df \(= 35 - 8 - 3 = 24\).