Box 53 Teaches Readers to Calculate a Percentage Difference Without a a Reference

Box 5.3. teaches readers to calculate a Percentage Difference without a reference group and:

A) The authors recommend that this approach be used
B) The authors recommend that the calculations for a percentage difference with a reference group be used
C) The "answers" rendered do not change by using or not using a reference group
D) The authors stated that a reference group should never be used because it can support tribalism

Correct Answer:

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