What Is True of Sample Size in Relation to Decision

question 14

Multiple Choice

What is true of sample size in relation to decision tree analysis?

• A) Ten times the number of predictor variables is the minimum number of observations required for decision tree solutions.
• B) Significance testing of decision tree solutions is unreliable with small samples.
• C) In larger trees, lower nodes may be based on too few observations, meaning the solution will lack statistical power.
• D) Sample size does not matter in decision tree analysis.

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