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9-38.

For each question in problem 9-37 that you decided is open, give examples of answers that might be difficult to compare and quantify. For each question that you decided is closed, explain how the information you get from an answer may not be as accurate as it could be. Homework Help ✎

Part (a): Closed. Explain how the information may not be as accurate as it could be.
Part (b): Open. Give an example of answers difficult to compare and quantify.
Part (c): Open. Give an example of answers difficult to compare and quantify.
Part (d): Closed. Explain how the information may not be as accurate as it could be.