CFA Level 1: Violation of Suggested Practices

Violating Suggested Practices

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Question

When a researcher uses the classes 129-147, 147-165, 165-183 to create a distribution, he is violating which of the following suggested practices?

Answers

Explanations

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A. B. C. D.

D

The classes are overlapping (for e.g., the classes "147-165" and "165-183" have the point "165" in common). There are no open-ended classes and the classes have the same class interval. Note that "Avoid a use of non-standard class marks" is a bogus choice; there is no such suggested practice.